{"id":340,"date":"2026-06-22T14:33:07","date_gmt":"2026-06-22T18:33:07","guid":{"rendered":"https:\/\/atelierflowrider.com\/performance\/seadoo-rxp-x-260-stage-4-flowrider\/"},"modified":"2026-07-14T21:53:12","modified_gmt":"2026-07-15T01:53:12","slug":"seadoo-rxp-x-260-stage-4-flowrider","status":"publish","type":"page","link":"https:\/\/atelierflowrider.com\/en\/seadoo-rxp-x-260-stage-4-flowrider\/","title":{"rendered":"Sea-Doo RXP-X 260 Stage 4+ Flowrider"},"content":{"rendered":"<section class=\"cs-hero\">\r\n            <div class=\"cs-hero-bg\">\r\n            <img decoding=\"async\" src=\"https:\/\/atelierflowrider.com\/wp-content\/uploads\/2026\/07\/IMG_4190-1.webp\" alt=\"\" loading=\"eager\">\r\n        <\/div>\r\n    \r\n    <div class=\"container\">\r\n        <div class=\"cs-hero-content\">\r\n            <nav class=\"cs-hero-breadcrumb page-hero-breadcrumb\" aria-label=\"Breadcrumb\">\r\n                <a href=\"https:\/\/atelierflowrider.com\/en\/\">Home<\/a>\r\n                <svg viewBox=\"0 0 24 24\" aria-hidden=\"true\"><path d=\"M9 18l6-6-6-6\"\/><\/svg>\r\n                <span class=\"current\">Case Study<\/span>\r\n            <\/nav>\r\n\r\n            <h1>Sea-Doo RXP-X 260 <span class=\"gradient-text\">Stage 4+<\/span> Flowrider \u2014 83+ MPH on Water<\/h1>\r\n\r\n                            <p class=\"cs-hero-subtitle\">A 2012 RXP-X 260 progressively developed over three years: full engine metrology, forged engine, Engine Tech supercharger, RIVA camshaft, Bosch VT1100 injectors, power intercooler and Stage 4 tune at 8,900 RPM.<\/p>\r\n            \r\n                            <div class=\"cs-stat-strip\">\r\n                                            <div class=\"cs-stat-badge\">\r\n                            <span class=\"cs-stat-value gradient-text\">83+<\/span>\r\n                                                            <span class=\"cs-stat-unit\">MPH<\/span>\r\n                                                                                        <span class=\"cs-stat-label\">135+ km\/h<\/span>\r\n                                                    <\/div>\r\n                                            <div class=\"cs-stat-badge\">\r\n                            <span class=\"cs-stat-value gradient-text\">8,900<\/span>\r\n                                                            <span class=\"cs-stat-unit\">RPM<\/span>\r\n                                                                                        <span class=\"cs-stat-label\">Engine Speed<\/span>\r\n                                                    <\/div>\r\n                                            <div class=\"cs-stat-badge\">\r\n                            <span class=\"cs-stat-value gradient-text\">15<\/span>\r\n                                                            <span class=\"cs-stat-unit\">PSI<\/span>\r\n                                                                                        <span class=\"cs-stat-label\">Boost<\/span>\r\n                                                    <\/div>\r\n                                            <div class=\"cs-stat-badge\">\r\n                            <span class=\"cs-stat-value gradient-text\">&lt;3.5<\/span>\r\n                                                            <span class=\"cs-stat-unit\">sec<\/span>\r\n                                                                                        <span class=\"cs-stat-label\">0-100 km\/h<\/span>\r\n                                                    <\/div>\r\n                                            <div class=\"cs-stat-badge\">\r\n                            <span class=\"cs-stat-value gradient-text\">forged<\/span>\r\n                                                            <span class=\"cs-stat-unit\">engine<\/span>\r\n                                                                                        <span class=\"cs-stat-label\">Engine Base<\/span>\r\n                                                    <\/div>\r\n                                    <\/div>\r\n            \r\n            <div class=\"cs-hero-actions\">\r\n                                    <a href=\"\/en\/contact\/\" class=\"btn-primary\" >\r\n                        Build My Performance Plan                        <svg width=\"18\" height=\"18\" viewBox=\"0 0 24 24\" fill=\"none\" stroke=\"currentColor\" stroke-width=\"2\" stroke-linecap=\"round\" stroke-linejoin=\"round\" aria-hidden=\"true\"><path d=\"M5 12h14M12 5l7 7-7 7\"\/><\/svg>\r\n                    <\/a>\r\n                                                    <a href=\"#evolution\" class=\"btn-outline\" >\r\n                        See the Build Evolution                    <\/a>\r\n                            <\/div>\r\n\r\n                            <p class=\"cs-hero-disclaimer\">Results tested on water. Performance may vary depending on heat, water conditions, fuel, load, maintenance and final configuration.<\/p>\r\n                    <\/div>\r\n    <\/div>\r\n<\/section>\r\n<svg class=\"lightning-separator\" viewBox=\"0 0 800 60\" preserveAspectRatio=\"none\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" aria-hidden=\"true\">\r\n    <defs>\r\n        <linearGradient id=\"bolt-gradient-csh\" x1=\"0\" y1=\"0\" x2=\"1\" y2=\"0\">\r\n            <stop offset=\"0%\" stop-color=\"#C8F135\"\/>\r\n            <stop offset=\"70%\" stop-color=\"#7C3AED\"\/>\r\n            <stop offset=\"100%\" stop-color=\"transparent\" stop-opacity=\"0\"\/>\r\n        <\/linearGradient>\r\n    <\/defs>\r\n    <path d=\"M 0,30 L 340,30 L 370,58 L 400,2 L 430,30 L 800,30\"\r\n          stroke=\"url(#bolt-gradient-csh)\" stroke-width=\"1.5\" fill=\"none\" stroke-linejoin=\"miter\" vector-effect=\"non-scaling-stroke\"\/>\r\n<\/svg>\r\n\n\n\r\n<div class=\"cs-content\">\r\n\r\n                <section class=\"section cs-intro reveal\">\r\n            <div class=\"container\">\r\n                                    <span class=\"section-label\">Flowrider Case Study<\/span>\r\n                                                    <h2 class=\"section-title\">Not just a tune. A real <span class=\"gradient-text\">Flowrider build<\/span>.<\/h2>\r\n                                <div class=\"cs-intro-grid\">\r\n                    <div class=\"cs-intro-text\">\r\n                                                    <div class=\"section-desc\">Three years of evolution, built in the right order.<br \/>\n<br \/>\nThis RXP-X 260 wasn&#8217;t transformed all at once. Flowrider developed it over three years at the client&#8217;s request, adding parts at the right time. First the intake, exhaust and pump. Then fuel and cooling. Then boost, engine base, valve train and final calibration.<br \/>\n<br \/>\nThis approach builds performance without skipping steps. A Stage 4+ can be the end goal without being the starting point. Flowrider can develop a Sea-Doo progressively, based on budget, usage and desired performance level.<\/div>\r\n                                                                            <p class=\"stage-punch\">\r\n                                <span class=\"gradient-text\">&rarr;<\/span>\r\n                                A big setup isn&#8217;t just more boost. It&#8217;s everything working around it.                            <\/p>\r\n                                            <\/div>\r\n                                            <div class=\"cs-intro-media\">\r\n                                <div class=\"cs-media-carousel\" data-carousel=\"intro\">\r\n        <div class=\"cs-media-track\">\r\n                            <div class=\"cs-media-slide active\">\r\n                                            <video src=\"https:\/\/atelierflowrider.com\/wp-content\/uploads\/2026\/07\/build-story-1-1.mp4\" muted loop playsinline preload=\"metadata\" poster=\"\"><\/video>\r\n                        <button class=\"cs-media-play\" aria-label=\"Play\">\r\n                            <svg viewBox=\"0 0 24 24\" width=\"48\" height=\"48\" fill=\"currentColor\"><path d=\"M8 5v14l11-7z\"\/><\/svg>\r\n                        <\/button>\r\n                                    <\/div>\r\n                            <div class=\"cs-media-slide \">\r\n                                            <video src=\"https:\/\/atelierflowrider.com\/wp-content\/uploads\/2026\/07\/build-story-2-1.mp4\" muted loop playsinline preload=\"metadata\" poster=\"\"><\/video>\r\n                        <button class=\"cs-media-play\" aria-label=\"Play\">\r\n                            <svg viewBox=\"0 0 24 24\" width=\"48\" height=\"48\" fill=\"currentColor\"><path d=\"M8 5v14l11-7z\"\/><\/svg>\r\n                        <\/button>\r\n                                    <\/div>\r\n                    <\/div>\r\n                    <div class=\"cs-media-nav\">\r\n                                    <button class=\"cs-media-dot active\" data-index=\"0\" aria-label=\"M\u00e9dia 1\"><\/button>\r\n                                    <button class=\"cs-media-dot \" data-index=\"1\" aria-label=\"M\u00e9dia 2\"><\/button>\r\n                            <\/div>\r\n            <\/div>\r\n                            <\/div>\r\n                                    <\/div>\r\n            <\/div>\r\n        <\/section>\r\n    \r\n                <section class=\"section cs-performance reveal\" id=\"performance\">\r\n            <div class=\"container\">\r\n                <span class=\"section-label\">Performance<\/span>\r\n                                    <h2 class=\"section-title\">Performance <span class=\"gradient-text\">tested on water<\/span><\/h2>\r\n                                <div class=\"cs-perf-grid\">\r\n                    <div class=\"cs-perf-text\">\r\n                                                    <div class=\"section-desc\">83+ MPH, but the most impressive part is the acceleration and throttle response.<br \/>\n<br \/>\nOn the water, this RXP-X runs at 8,900 RPM, with approximately 15 PSI of boost and a tuned AFR. Top speed sits at 83+ MPH \/ 135+ km\/h, depending on conditions.<br \/>\n<br \/>\nThe real character of the build is felt most at throttle reapplication. At 20 km\/h or 60 km\/h, the thrust comes immediately and keeps pulling. The 0\u2013100 km\/h is done in under 3.5 seconds based on testing.<\/div>\r\n                                            <\/div>\r\n                                            <div class=\"cs-perf-cards\">\r\n                            <div class=\"cs-perf-stats\">\r\n                                                                    <div class=\"cs-perf-stat-card\">\r\n                                        <span class=\"cs-perf-stat-value gradient-text\">83+ MPH \/ 135+ km\/h<\/span>\r\n                                        <span class=\"cs-perf-stat-label\">Top Speed<\/span>\r\n                                    <\/div>\r\n                                                                    <div class=\"cs-perf-stat-card\">\r\n                                        <span class=\"cs-perf-stat-value gradient-text\">8,900 RPM<\/span>\r\n                                        <span class=\"cs-perf-stat-label\">Engine Speed<\/span>\r\n                                    <\/div>\r\n                                                                    <div class=\"cs-perf-stat-card\">\r\n                                        <span class=\"cs-perf-stat-value gradient-text\">15 PSI<\/span>\r\n                                        <span class=\"cs-perf-stat-label\">Boost<\/span>\r\n                                    <\/div>\r\n                                                                    <div class=\"cs-perf-stat-card\">\r\n                                        <span class=\"cs-perf-stat-value gradient-text\">0\u2013100 under 3.5 s<\/span>\r\n                                        <span class=\"cs-perf-stat-label\">Acceleration<\/span>\r\n                                    <\/div>\r\n                                                                    <div class=\"cs-perf-stat-card\">\r\n                                        <span class=\"cs-perf-stat-value gradient-text\">Optimal AFR<\/span>\r\n                                        <span class=\"cs-perf-stat-label\">Air\/Fuel Mix<\/span>\r\n                                    <\/div>\r\n                                                            <\/div>\r\n                        <\/div>\r\n                                    <\/div>\r\n\r\n                                    <div class=\"cs-perf-videos\">\r\n                                                    <div class=\"cs-perf-video-wrap\">\r\n                                <video src=\"https:\/\/atelierflowrider.com\/wp-content\/uploads\/2026\/07\/speed-run-1.mp4\" muted loop playsinline preload=\"metadata\"><\/video>\r\n                                <button class=\"cs-media-play\" aria-label=\"Play\">\r\n                                    <svg viewBox=\"0 0 24 24\" width=\"48\" height=\"48\" fill=\"currentColor\"><path d=\"M8 5v14l11-7z\"\/><\/svg>\r\n                                <\/button>\r\n                            <\/div>\r\n                                                                            <div class=\"cs-perf-video-wrap\">\r\n                                <video src=\"https:\/\/atelierflowrider.com\/wp-content\/uploads\/2026\/07\/acceleration-1.mp4\" muted loop playsinline preload=\"metadata\"><\/video>\r\n                                <button class=\"cs-media-play\" aria-label=\"Play\">\r\n                                    <svg viewBox=\"0 0 24 24\" width=\"48\" height=\"48\" fill=\"currentColor\"><path d=\"M8 5v14l11-7z\"\/><\/svg>\r\n                                <\/button>\r\n                            <\/div>\r\n                                            <\/div>\r\n                            <\/div>\r\n        <\/section>\r\n    \r\n                <section class=\"section cs-timeline reveal\" id=\"evolution\">\r\n            <div class=\"container\">\r\n                <span class=\"section-label\">Build Evolution<\/span>\r\n                <h2 class=\"section-title\">From stock to Stage 4+: a build done in the right order<\/h2>\r\n                <p class=\"section-desc\">Progressively developed over 3 years<\/p>\r\n\r\n                <div class=\"cs-timeline-grid\">\r\n                    <div class=\"cs-timeline-connector\" aria-hidden=\"true\"><\/div>\r\n                                            <div class=\"cs-timeline-card\" style=\"--stage-color: #f97316\">\r\n                            <div class=\"cs-timeline-card-header\">\r\n                                <span class=\"stage-badge stage-1\">\r\n                                    Stage 1                                <\/span>\r\n                                <h3>Unleash the Machine<\/h3>\r\n                                                                    <p class=\"cs-timeline-objectif\">Intake, exhaust and pump<\/p>\r\n                                                            <\/div>\r\n\r\n                                                            <details class=\"cs-timeline-details\">\r\n                                    <summary>View parts<\/summary>\r\n                                    <div class=\"cs-timeline-pieces\">Power Filter RIVA<br \/>\nIntake Manifold Upgrade<br \/>\nWater Box<br \/>\nRear Exhaust Outlet<br \/>\nSolas Concord 15\/19R<\/div>\r\n                                <\/details>\r\n                            \r\n                                                            <p class=\"cs-timeline-result\">\r\n                                    <span class=\"gradient-text\">&rarr;<\/span>\r\n                                    The RXP-X breathes better, sounds more present and transfers power to the water more effectively.                                <\/p>\r\n                                                    <\/div>\r\n                                            <div class=\"cs-timeline-card\" style=\"--stage-color: #22c55e\">\r\n                            <div class=\"cs-timeline-card-header\">\r\n                                <span class=\"stage-badge stage-2\">\r\n                                    Stage 2                                <\/span>\r\n                                <h3>Add Support<\/h3>\r\n                                                                    <p class=\"cs-timeline-objectif\">Fuel, cooling and control<\/p>\r\n                                                            <\/div>\r\n\r\n                                                            <details class=\"cs-timeline-details\">\r\n                                    <summary>View parts<\/summary>\r\n                                    <div class=\"cs-timeline-pieces\">Bosch VT1000<br \/>\nFuel Pressure Regulator<br \/>\nPower Intercooler<br \/>\nTubing Upgrade<br \/>\nThermostat<br \/>\nAFR Kit<br \/>\nSensor Mount<\/div>\r\n                                <\/details>\r\n                            \r\n                                                            <p class=\"cs-timeline-result\">\r\n                                    <span class=\"gradient-text\">&rarr;<\/span>\r\n                                    Flowrider prepares the machine for more load with more fuel, better cooling and reliable AFR readings.                                <\/p>\r\n                                                    <\/div>\r\n                                            <div class=\"cs-timeline-card\" style=\"--stage-color: #3b82f6\">\r\n                            <div class=\"cs-timeline-card-header\">\r\n                                <span class=\"stage-badge stage-3\">\r\n                                    Stage 3                                <\/span>\r\n                                <h3>Build the Character<\/h3>\r\n                                                                    <p class=\"cs-timeline-objectif\">Boost and response<\/p>\r\n                                                            <\/div>\r\n\r\n                                                            <details class=\"cs-timeline-details\">\r\n                                    <summary>View parts<\/summary>\r\n                                    <div class=\"cs-timeline-pieces\">Supercharger Engine Tech<br \/>\nSetup around 15 PSI<br \/>\nTial Blow Off Valve<br \/>\nVent 2.5<br \/>\nCatch Can<\/div>\r\n                                <\/details>\r\n                            \r\n                                                            <p class=\"cs-timeline-result\">\r\n                                    <span class=\"gradient-text\">&rarr;<\/span>\r\n                                    Throttle response becomes much stronger and the blow-off gives the build its signature sound.                                <\/p>\r\n                                                    <\/div>\r\n                                            <div class=\"cs-timeline-card\" style=\"--stage-color: #c87533\">\r\n                            <div class=\"cs-timeline-card-header\">\r\n                                <span class=\"stage-badge stage-4plus\">\r\n                                    Stage 4+                                <\/span>\r\n                                <h3>Complete the Build<\/h3>\r\n                                                                    <p class=\"cs-timeline-objectif\">Engine base and calibration<\/p>\r\n                                                            <\/div>\r\n\r\n                                                            <details class=\"cs-timeline-details\">\r\n                                    <summary>View parts<\/summary>\r\n                                    <div class=\"cs-timeline-pieces\">Full Metrology<br \/>\nForged Engine<br \/>\nRIVA Camshaft<br \/>\nTune 8,900 RPM<br \/>\nValve Train Super Tech<br \/>\nAPR Stud Kit<br \/>\nReinforced Fuel System<br \/>\nTuned AFR<\/div>\r\n                                <\/details>\r\n                            \r\n                                                            <p class=\"cs-timeline-result\">\r\n                                    <span class=\"gradient-text\">&rarr;<\/span>\r\n                                    The final setup reaches 83+ MPH \/ 135+ km\/h with a base designed to better handle boost, RPM and load.                                <\/p>\r\n                                                    <\/div>\r\n                                    <\/div>\r\n            <\/div>\r\n        <\/section>\r\n    \r\n                <section class=\"section cs-anatomy reveal\">\r\n            <div class=\"container\">\r\n                                    <span class=\"section-label\">Setup Anatomy<\/span>\r\n                    <h2 class=\"section-title\">The scope of the setup: every <span class=\"gradient-text\">system<\/span> was addressed<\/h2>\r\n                                                    <p class=\"section-desc\">A true Stage 4+ doesn&#8217;t rely on a single part. Flowrider worked the entire Sea-Doo so that power is properly fed, cooled, transferred and controlled.<\/p>\r\n                \r\n                    <div class=\"cs-media-carousel\" data-carousel=\"anatomy\">\r\n        <div class=\"cs-media-track\">\r\n                            <div class=\"cs-media-slide active\">\r\n                                            <img decoding=\"async\" src=\"https:\/\/atelierflowrider.com\/wp-content\/uploads\/2026\/07\/IMG_5573-1-768x1024.webp\" alt=\"\" loading=\"lazy\">\r\n                                    <\/div>\r\n                            <div class=\"cs-media-slide \">\r\n                                            <video src=\"https:\/\/atelierflowrider.com\/wp-content\/uploads\/2026\/07\/anatomy-1-1.mp4\" muted loop playsinline preload=\"metadata\" poster=\"\"><\/video>\r\n                        <button class=\"cs-media-play\" aria-label=\"Play\">\r\n                            <svg viewBox=\"0 0 24 24\" width=\"48\" height=\"48\" fill=\"currentColor\"><path d=\"M8 5v14l11-7z\"\/><\/svg>\r\n                        <\/button>\r\n                                    <\/div>\r\n                            <div class=\"cs-media-slide \">\r\n                                            <video src=\"https:\/\/atelierflowrider.com\/wp-content\/uploads\/2026\/07\/anatomy-2-1.mp4\" muted loop playsinline preload=\"metadata\" poster=\"\"><\/video>\r\n                        <button class=\"cs-media-play\" aria-label=\"Play\">\r\n                            <svg viewBox=\"0 0 24 24\" width=\"48\" height=\"48\" fill=\"currentColor\"><path d=\"M8 5v14l11-7z\"\/><\/svg>\r\n                        <\/button>\r\n                                    <\/div>\r\n                    <\/div>\r\n                    <div class=\"cs-media-nav\">\r\n                                    <button class=\"cs-media-dot active\" data-index=\"0\" aria-label=\"M\u00e9dia 1\"><\/button>\r\n                                    <button class=\"cs-media-dot \" data-index=\"1\" aria-label=\"M\u00e9dia 2\"><\/button>\r\n                                    <button class=\"cs-media-dot \" data-index=\"2\" aria-label=\"M\u00e9dia 3\"><\/button>\r\n                            <\/div>\r\n            <\/div>\r\n    \r\n                <div class=\"cs-anatomy-grid\">\r\n                                            <div class=\"cs-system-card\">\r\n                            <span class=\"card-corner card-corner--tl\"><\/span>\r\n                            <span class=\"card-corner card-corner--tr\"><\/span>\r\n                            <span class=\"card-corner card-corner--bl\"><\/span>\r\n                            <span class=\"card-corner card-corner--br\"><\/span>\r\n                            <div class=\"cs-system-icon\" aria-hidden=\"true\">\r\n                                <svg viewBox=\"0 0 40 40\" width=\"40\" height=\"40\" fill=\"none\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path d=\"M20 4v32M12 12l8-8 8 8M8 20h24\" stroke=\"url(#csc-grad)\" stroke-width=\"2\" stroke-linecap=\"round\" stroke-linejoin=\"round\"\/><defs><linearGradient id=\"csc-grad\" x1=\"0\" y1=\"0\" x2=\"40\" y2=\"40\"><stop stop-color=\"#7C3AED\"\/><stop offset=\"1\" stop-color=\"#C8F135\"\/><\/linearGradient><\/defs><\/svg>                            <\/div>\r\n                            <h3>Intake<\/h3>\r\n                                                            <p class=\"cs-system-pieces\">Power Filter RIVA \u00b7 Intake Manifold Upgrade \u00b7 Vent 2.5<\/p>\r\n                                                                                        <p class=\"cs-system-role\">Help the engine breathe freely at high RPM.<\/p>\r\n                                                    <\/div>\r\n                                            <div class=\"cs-system-card\">\r\n                            <span class=\"card-corner card-corner--tl\"><\/span>\r\n                            <span class=\"card-corner card-corner--tr\"><\/span>\r\n                            <span class=\"card-corner card-corner--bl\"><\/span>\r\n                            <span class=\"card-corner card-corner--br\"><\/span>\r\n                            <div class=\"cs-system-icon\" aria-hidden=\"true\">\r\n                                <svg viewBox=\"0 0 40 40\" width=\"40\" height=\"40\" fill=\"none\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path d=\"M20 4l4 12h10L24 24l4 12-8-8-8 8 4-12L6 16h10z\" stroke=\"url(#csc-grad-b)\" stroke-width=\"2\" stroke-linecap=\"round\" stroke-linejoin=\"round\"\/><defs><linearGradient id=\"csc-grad-b\" x1=\"0\" y1=\"0\" x2=\"40\" y2=\"40\"><stop stop-color=\"#7C3AED\"\/><stop offset=\"1\" stop-color=\"#C8F135\"\/><\/linearGradient><\/defs><\/svg>                            <\/div>\r\n                            <h3>Boost<\/h3>\r\n                                                            <p class=\"cs-system-pieces\">Supercharger Engine Tech \u00b7 15 PSI \u00b7 RIVA Camshaft \u00b7 Tial Blow Off Valve<\/p>\r\n                                                                                        <p class=\"cs-system-role\">Create the pressure, response and character of the build.<\/p>\r\n                                                    <\/div>\r\n                                            <div class=\"cs-system-card\">\r\n                            <span class=\"card-corner card-corner--tl\"><\/span>\r\n                            <span class=\"card-corner card-corner--tr\"><\/span>\r\n                            <span class=\"card-corner card-corner--bl\"><\/span>\r\n                            <span class=\"card-corner card-corner--br\"><\/span>\r\n                            <div class=\"cs-system-icon\" aria-hidden=\"true\">\r\n                                <svg viewBox=\"0 0 40 40\" width=\"40\" height=\"40\" fill=\"none\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path d=\"M10 36V10a4 4 0 014-4h8a4 4 0 014 4v26M10 20h16M30 14l4 4v10a2 2 0 01-4 0v-4\" stroke=\"url(#csc-grad-f)\" stroke-width=\"2\" stroke-linecap=\"round\" stroke-linejoin=\"round\"\/><defs><linearGradient id=\"csc-grad-f\" x1=\"0\" y1=\"0\" x2=\"40\" y2=\"40\"><stop stop-color=\"#7C3AED\"\/><stop offset=\"1\" stop-color=\"#C8F135\"\/><\/linearGradient><\/defs><\/svg>                            <\/div>\r\n                            <h3>Fuel &amp; AFR<\/h3>\r\n                                                            <p class=\"cs-system-pieces\">Bosch VT1100 \u00b7 Fuel Pressure Regulator \u00b7 AFR Kit \u00b7 Sensor Mount<\/p>\r\n                                                                                        <p class=\"cs-system-role\">Feed the engine properly and keep the air\/fuel mix under control.<\/p>\r\n                                                    <\/div>\r\n                                            <div class=\"cs-system-card\">\r\n                            <span class=\"card-corner card-corner--tl\"><\/span>\r\n                            <span class=\"card-corner card-corner--tr\"><\/span>\r\n                            <span class=\"card-corner card-corner--bl\"><\/span>\r\n                            <span class=\"card-corner card-corner--br\"><\/span>\r\n                            <div class=\"cs-system-icon\" aria-hidden=\"true\">\r\n                                <svg viewBox=\"0 0 40 40\" width=\"40\" height=\"40\" fill=\"none\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path d=\"M20 4v32M4 20h32M8 8l24 24M32 8L8 32\" stroke=\"url(#csc-grad-c)\" stroke-width=\"2\" stroke-linecap=\"round\" stroke-linejoin=\"round\"\/><circle cx=\"20\" cy=\"20\" r=\"6\" stroke=\"url(#csc-grad-c)\" stroke-width=\"2\"\/><defs><linearGradient id=\"csc-grad-c\" x1=\"0\" y1=\"0\" x2=\"40\" y2=\"40\"><stop stop-color=\"#7C3AED\"\/><stop offset=\"1\" stop-color=\"#C8F135\"\/><\/linearGradient><\/defs><\/svg>                            <\/div>\r\n                            <h3>Cooling<\/h3>\r\n                                                            <p class=\"cs-system-pieces\">Power Intercooler \u00b7 Tubing Upgrade \u00b7 Thermostat Kit<\/p>\r\n                                                                                        <p class=\"cs-system-role\">Better manage temperatures when the machine is under heavy load.<\/p>\r\n                                                    <\/div>\r\n                                            <div class=\"cs-system-card\">\r\n                            <span class=\"card-corner card-corner--tl\"><\/span>\r\n                            <span class=\"card-corner card-corner--tr\"><\/span>\r\n                            <span class=\"card-corner card-corner--bl\"><\/span>\r\n                            <span class=\"card-corner card-corner--br\"><\/span>\r\n                            <div class=\"cs-system-icon\" aria-hidden=\"true\">\r\n                                <svg viewBox=\"0 0 40 40\" width=\"40\" height=\"40\" fill=\"none\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><rect x=\"8\" y=\"12\" width=\"24\" height=\"16\" rx=\"2\" stroke=\"url(#csc-grad-m)\" stroke-width=\"2\"\/><path d=\"M14 12V8M26 12V8M14 28v4M26 28v4M4 18h4M32 18h4M4 26h4M32 26h4\" stroke=\"url(#csc-grad-m)\" stroke-width=\"2\" stroke-linecap=\"round\"\/><defs><linearGradient id=\"csc-grad-m\" x1=\"0\" y1=\"0\" x2=\"40\" y2=\"40\"><stop stop-color=\"#7C3AED\"\/><stop offset=\"1\" stop-color=\"#C8F135\"\/><\/linearGradient><\/defs><\/svg>                            <\/div>\r\n                            <h3>Engine &amp; Reliability<\/h3>\r\n                                                            <p class=\"cs-system-pieces\">Full Metrology \u00b7 Forged Engine \u00b7 Valve Train Super Tech \u00b7 APR Stud Kit \u00b7 Catch Can<\/p>\r\n                                                                                        <p class=\"cs-system-role\">Validate tolerances and reinforce the base to handle boost, RPM and load.<\/p>\r\n                                                    <\/div>\r\n                                            <div class=\"cs-system-card\">\r\n                            <span class=\"card-corner card-corner--tl\"><\/span>\r\n                            <span class=\"card-corner card-corner--tr\"><\/span>\r\n                            <span class=\"card-corner card-corner--bl\"><\/span>\r\n                            <span class=\"card-corner card-corner--br\"><\/span>\r\n                            <div class=\"cs-system-icon\" aria-hidden=\"true\">\r\n                                <svg viewBox=\"0 0 40 40\" width=\"40\" height=\"40\" fill=\"none\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path d=\"M4 28h8l4-8h8l4 8h8M12 28v4M28 28v4\" stroke=\"url(#csc-grad-e)\" stroke-width=\"2\" stroke-linecap=\"round\" stroke-linejoin=\"round\"\/><path d=\"M16 16c0-4 4-8 4-8s4 4 4 8-4 4-4 4-4-4-4-4z\" stroke=\"url(#csc-grad-e)\" stroke-width=\"2\"\/><defs><linearGradient id=\"csc-grad-e\" x1=\"0\" y1=\"0\" x2=\"40\" y2=\"40\"><stop stop-color=\"#7C3AED\"\/><stop offset=\"1\" stop-color=\"#C8F135\"\/><\/linearGradient><\/defs><\/svg>                            <\/div>\r\n                            <h3>Exhaust &amp; Sound<\/h3>\r\n                                                            <p class=\"cs-system-pieces\">Water Box RIVA \u00b7 Rear Exhaust Outlet Kit<\/p>\r\n                                                                                        <p class=\"cs-system-role\">Free up the exhaust and give the Sea-Doo a more pronounced sound presence.<\/p>\r\n                                                    <\/div>\r\n                                            <div class=\"cs-system-card\">\r\n                            <span class=\"card-corner card-corner--tl\"><\/span>\r\n                            <span class=\"card-corner card-corner--tr\"><\/span>\r\n                            <span class=\"card-corner card-corner--bl\"><\/span>\r\n                            <span class=\"card-corner card-corner--br\"><\/span>\r\n                            <div class=\"cs-system-icon\" aria-hidden=\"true\">\r\n                                <svg viewBox=\"0 0 40 40\" width=\"40\" height=\"40\" fill=\"none\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><circle cx=\"20\" cy=\"20\" r=\"12\" stroke=\"url(#csc-grad-p)\" stroke-width=\"2\"\/><path d=\"M20 12v8l6 4\" stroke=\"url(#csc-grad-p)\" stroke-width=\"2\" stroke-linecap=\"round\" stroke-linejoin=\"round\"\/><path d=\"M20 4v4M20 32v4M4 20h4M32 20h4\" stroke=\"url(#csc-grad-p)\" stroke-width=\"2\" stroke-linecap=\"round\"\/><defs><linearGradient id=\"csc-grad-p\" x1=\"0\" y1=\"0\" x2=\"40\" y2=\"40\"><stop stop-color=\"#7C3AED\"\/><stop offset=\"1\" stop-color=\"#C8F135\"\/><\/linearGradient><\/defs><\/svg>                            <\/div>\r\n                            <h3>Pump<\/h3>\r\n                                                            <p class=\"cs-system-pieces\">Solas Concord R Series Impeller 15\/19R<\/p>\r\n                                                                                        <p class=\"cs-system-role\">Transfer power to the water for acceleration, throttle response and top speed.<\/p>\r\n                                                    <\/div>\r\n                                    <\/div>\r\n            <\/div>\r\n        <\/section>\r\n    \r\n                <section class=\"section cs-fiabilite reveal\">\r\n            <div class=\"container\">\r\n                <div class=\"cs-fiabilite-inner\">\r\n                    <div class=\"cs-fiabilite-accent\" aria-hidden=\"true\"><\/div>\r\n                                            <h3 class=\"cs-fiabilite-titre\">Reliability is part of the setup, <span class=\"gradient-text\">not just talk<\/span>.<\/h3>\r\n                                                                <div class=\"cs-fiabilite-texte\">Before chasing more boost, Flowrider worked on the engine base. Full metrology validates measurements and critical tolerances before assembly. The forged engine, reinforced valve train and APR studs then provide a much more serious foundation to support the Stage 4+.<br \/>\n<br \/>\nThe injectors, fuel regulator, AFR, intercooler, thermostat and catch can are also part of the work. A high-performance build remains more demanding than a stock machine: proper fuel, regular inspections and closer maintenance intervals are essential.<br \/>\n<br \/>\nAt Flowrider, a big setup needs to be fast, but above all well-built and reliable.<\/div>\r\n                                    <\/div>\r\n            <\/div>\r\n        <\/section>\r\n    \r\n                <section class=\"section cs-experience reveal\">\r\n            <div class=\"container\">\r\n                                    <span class=\"section-label\">Sound &amp; Experience<\/span>\r\n                    <h2 class=\"section-title\">The sound, the thrust, the response: <span class=\"gradient-text\">everything changes<\/span>.<\/h2>\r\n                                <div class=\"cs-experience-grid\">\r\n                    <div class=\"cs-experience-text\">\r\n                                                    <div class=\"section-desc\">This Stage 4+ can&#8217;t be understood through numbers alone. It&#8217;s felt from the moment you get back on the throttle. The exhaust is more present, the blow-off valve is heard at every release, and the response comes immediately, even when the machine is already moving.<br \/>\n<br \/>\nThe result is a Sea-Doo that&#8217;s more reactive, louder and much more mechanically engaged, while still built around a reinforced base and controlled calibration.<\/div>\r\n                                            <\/div>\r\n                                            <div class=\"cs-experience-media\">\r\n                            <div class=\"cs-experience-video\">\r\n                                <video src=\"https:\/\/atelierflowrider.com\/wp-content\/uploads\/2026\/07\/sound-experience-1.mp4\" muted loop playsinline preload=\"metadata\"><\/video>\r\n                                <button class=\"cs-media-play cs-media-play--lg\" aria-label=\"Listen to the build\">\r\n                                    <svg viewBox=\"0 0 24 24\" width=\"64\" height=\"64\" fill=\"currentColor\"><path d=\"M8 5v14l11-7z\"\/><\/svg>\r\n                                                                            <span>Listen to the Build<\/span>\r\n                                                                    <\/button>\r\n                            <\/div>\r\n                        <\/div>\r\n                                    <\/div>\r\n            <\/div>\r\n        <\/section>\r\n    \r\n                <section class=\"section cs-conversion reveal\">\r\n            <div class=\"container\">\r\n                <div class=\"cta-accent-line\"><\/div>\r\n                                    <h2 class=\"section-title\">Your Sea-Doo can <span class=\"gradient-text\">evolve too<\/span>.<\/h2>\r\n                                                    <p class=\"section-desc\">Whether the goal is more acceleration, more top speed, more sound or a complete build, Flowrider can create a plan tailored to the watercraft, budget and intended use.\n\nThe project can be done progressively. Flowrider can start with a simpler first step, then evolve the setup in the right order: performance, support parts, engine base, calibration and maintenance.<\/p>\r\n                                <p class=\"cs-conversion-phone\">\r\n                    <a href=\"tel:4389433885\">(438) 943-3885<\/a>\r\n                <\/p>\r\n                <div class=\"cta-actions\" style=\"margin-top: 24px;\">\r\n                                            <a href=\"\/en\/contact\/\" class=\"btn-primary\" >\r\n                            Build a Stage                        <\/a>\r\n                                                                <a href=\"tel:4389433885\" class=\"btn-outline\" >\r\n                            Call Flowrider                        <\/a>\r\n                                    <\/div>\r\n            <\/div>\r\n        <\/section>\r\n    \r\n<\/div>\r\n","protected":false},"excerpt":{"rendered":"","protected":false},"author":0,"featured_media":0,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"_acf_changed":false,"footnotes":""},"class_list":["post-340","page","type-page","status-publish","hentry"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.0 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Sea-Doo RXP-X 260 Stage 4+ | Case Study | Atelier Flowrider<\/title>\n<meta name=\"description\" content=\"Complete Stage 4+ build on a Sea-Doo RXP-X 260: 83+ MPH, turbo, ECU, exhaust. 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