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GT40Marine vs RIVA Racing: Price, Warranty, and Performance Compared
GT40Marine vs RIVA Racing: Price, Warranty, and Performance Compared If you're shopping for Sea-Doo performance parts, you've seen RIVA Racing. They're the biggest name in the PWC aftermarket. So why would you buy from GT40Marine instead? Here's the transparent comparison. Price: 20-35% Lower This is the most obvious difference. GT40Marine parts are priced 20-35% below RIVA Racing on comparable components. A Stage 2 kit that costs $2,200+ from RIVA is $1,600 from GT40Marine.
Mike March
Mar 232 min read
How to Install a Sea-Doo Cold Air Intake (Step-by-Step)
How to Install a Sea-Doo Cold Air Intake (Step-by-Step) Installing a cold air intake on your Sea-Doo is one of the easiest performance upgrades you can do. No special tools, no hull modifications, and most people finish in under 30 minutes. Here's the complete walkthrough for the GT40Marine 4-inch carbon fiber cold air intake. What You'll Need GT40Marine cold air intake kit (includes all hardware). 10mm socket and ratchet. Flathead screwdriver. Shop towels. 20-30 minutes of y
Mike March
Mar 232 min read
Sea-Doo Stage 1 vs Stage 2 Kit: Which One Should You Buy?
Sea-Doo Stage 1 vs Stage 2 Kit: Which One Should You Buy? You've decided to upgrade your Sea-Doo. Good call. But now you're staring at Stage 1 and Stage 2 kits wondering which one makes sense for your riding style and budget. Here's the honest breakdown. What's in a Stage 1 Kit? A GT40Marine Stage 1 kit includes three core upgrades: a 4-inch carbon fiber cold air intake, a catch can kit, and intercooler tubing with a Tial blow-off valve. These are the foundational mods that i
Mike March
Mar 232 min read
Sea-Doo SuperCooler vs Stock Intercooler: What's the Difference?
Sea-Doo SuperCooler vs Stock Intercooler: What's the Difference? Every supercharged Sea-Doo comes with a factory intercooler. It works. But if you've ever noticed your ski losing power after a few hard pulls, or felt the acceleration fade on a long run — you've experienced the limitations of the stock unit. Here's what's actually happening and why a SuperCooler fixes it. How the Stock Intercooler Works Your Sea-Doo's supercharger compresses incoming air to create boost. Compr
Mike March
Mar 232 min read
Best Sea-Doo Performance Upgrades for 2026
Best Sea-Doo Performance Upgrades for 2026 If you own a Sea-Doo RXP-X, RXT-X, or GTX and you want more speed, better throttle response, and consistent power delivery — this is the guide. We build performance parts for Sea-Doo watercraft every day at GT40Marine, and these are the upgrades that make the biggest difference, ranked by impact. 1. Cold Air Intake — The First Upgrade Everyone Should Do The stock airbox on Sea-Doo 4-TEC engines is restrictive. A cold air intake opens
Mike March
Mar 233 min read
Sea-Doo Stage 1 vs Stage 2 vs Stage 3: Which Kit Do You Need?
If you've spent any time looking at Sea-Doo performance parts, you've seen the terms Stage 1, Stage 2, and Stage 3 everywhere. Every aftermarket company uses this naming convention, and every buyer wonders the same thing: which stage do I actually need? The answer depends on how you ride, how much you want to spend, and how far down the performance rabbit hole you're willing to go. This guide breaks down each Sea-Doo stage kit so you can make an informed decision. What Do "St
Mike March
Mar 197 min read
Sea-Doo RXP-X 300 vs 325: Performance Comparison
The Sea-Doo RXP-X is the gold standard for performance watercraft. BRP's flagship race-inspired platform dominates closed-course racing, drag events, and open-water fun riding alike. But with the introduction of the 325 HP variant alongside the established 300 HP model, buyers and modders face a real question: which one should you buy, and which one responds better to upgrades? This Sea-Doo RXP-X 300 vs 325 comparison breaks down everything from factory specs to full-build up
Mike March
Mar 196 min read
How to Install a Sea-Doo Rear Exhaust Kit (Step-by-Step)
A rear exhaust kit is one of the most effective bolt-on upgrades you can do to a Sea-Doo RXP-X or RXT-X. It reduces backpressure, lowers exhaust gas temps, and frees up power that the factory exhaust system leaves on the table. The best part? You can do this install in your garage with basic hand tools. This guide walks you through the entire Sea-Doo rear exhaust install from start to finish. What Does a Rear Exhaust Kit Do? The factory Sea-Doo exhaust system routes spent gas
Mike March
Mar 197 min read
Sea-Doo Cold Air Intake: Does It Really Add HP?
It's the first mod most Sea-Doo owners consider, and for good reason. A cold air intake is affordable, bolt-on, and promises free horsepower. But does a Sea-Doo cold air intake actually deliver, or is it just marketing hype? Short answer: yes, it works. But how much it works depends on the intake design, your specific engine, and what other mods you're running. Let's dig into the details. How a Cold Air Intake Works on a Supercharged Sea-Doo Every Sea-Doo RXP-X, RXT-X, and GT
Mike March
Mar 196 min read
Best Sea-Doo Performance Upgrades for 2026
If you own a Sea-Doo RXP-X 300, RXT-X 325, or GTX 300, you already have one of the fastest production watercraft on the planet. But "fast enough" is never really enough, is it? The aftermarket scene for Sea-Doo performance upgrades has exploded over the last few years. Whether you want a few extra ponies for weekend fun or you're chasing podiums, this guide breaks down every upgrade worth your money in 2026. Why Upgrade Your Sea-Doo in 2026? BRP's Rotax 1630 ACE platform is g
Mike March
Mar 195 min read


What You Need to Know About Core Charges
Understanding core charges is essential for anyone considering an auto parts purchase or looking to refurbish machinery. Core charges...
Mike March
Jun 6, 20254 min read
Understanding the Essentials of Refund Policies
For any business, whether it's a small startup or a large corporation, refund policies are crucial. They set the tone for customer...
Mike March
Jun 2, 20254 min read
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