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GT40 Marine / Upgrade guide

Sea-Doo RXT-X 325.Upgrades that fit.

11 GT40 parts matched to the 2024–2026 RXT-X 325, from the intake to the exhaust. Set your model year to check every part against your exact ski.

Engine
Rotax 1630 ACE
Power
325 hp
Model years
2024–2026
Hull
ST3
Sea-Doo · 325 hp11 parts
Sea-Doo RXT-X 325, 2026 RXT-X 325 · Ice Metal / Manta Green shown
2026 RXT-X 325 · Ice Metal / Manta Green shown
Set your RXT-X 325 model yearEvery part below will show its fit verdict for that exact year.
01 / Intake

Cold air intakes

All 6 GT40 intakes fit the RXT-X 325 for 2024–2026. They share the same application and differ in build and finish, so choose the look you want.

02 / Boost tubing

Intercooler tubing and BOV

GT40 tubing kits pair new intercooler tubing with a blow-off valve. This is the kit matched to the 325 hp RXT-X 325.

Sea-Doo 325 Intercooler Tubing + BOV KitTubing + BOV
Fits 2024–2026

325 Intercooler Tubing + BOV Kit

Intercooler tubing · 50 mm blow-off valve

Requires Vacuum Port Adapter Kit or Intake Manifold Upgrade Kit.

$299
03 / Intercooler

Intercooler

The SuperCooler is GT40's intercooler for supercharged Sea-Doo models, supplied as one complete assembly.

GT40 SuperCoolerIntercooler
Fits 2024–2026

GT40 SuperCooler

Complete intercooler assembly

$475
04 / Exhaust

Exhaust and waterboxes

Waterbox and rear exhaust parts matched to the RXT-X 325.

05 / Catch can

Catch cans

The GT40 catch can kit includes a K&N breather, a Sea-Doo mounting bracket and the hardware to fit it.

Sea-Doo 4-TEC Catch Can Kit 2002-2025 RXT, GTX, RXP, RXP-X, RXT-X, ApexCatch can
Fits 2024–2026

4-TEC Catch Can Kit

K&N breather · bracket and hardware included

$135
Check before you buy

Not for the RXT-X 325

These GT40 parts are built for other models and do not fit the Sea-Doo RXT-X 325.

Good questions. Clear answers.

Know what fits before you order.

Every answer here comes from the same fitment data as the product pages. Modified ski, or a part that says to confirm? Ask before you order.

support@gt40marine.com(360) 453-7392
Which cold air intake should I get for my RXT-X 325?

All 6 GT40 intakes fit the 2024–2026 RXT-X 325, so choose by build and finish: Black Silicone Cold Air Intake ($149), Blue Silicone Cold Air Intake ($149.99), Red Silicone Cold Air Intake ($149.99), Silicone Cold Air Intake with Shorty Blue Filter ($149.99), Silicone Cold Air Intake with Carbon Fiber Coupler ($175) and Full Carbon Fiber Cold Air Intake ($239).

What else do I need for the 325 Intercooler Tubing + BOV Kit on a RXT-X 325?

Requires Vacuum Port Adapter Kit or Intake Manifold Upgrade Kit. Check whether your ski already has it before you order.

What else do I need for the 2018+ RXT-X / GTX Single Rear Exhaust Kit on a RXT-X 325?

2023+ ST3 hulls require Siphon Break Delete Kit. Check whether your ski already has it before you order.

Will the 230/300 Intercooler Tubing + BOV Kit fit my RXT-X 325?

No. It is built for other models. For the RXT-X 325, use the 325 Intercooler Tubing + BOV Kit (2024–2026).

Will the Ribbon Delete Kit fit my RXT-X 325?

No. It is built for other models and does not fit the Sea-Doo RXT-X 325.

How do I check a part for my exact year?

Set your model year at the top of this page. Every part then shows its fit verdict for that year, and the shop link lists every GT40 part for your RXT-X 325.

What if my RXT-X 325 is already modified?

The fit shown is for each model year's factory setup. If the intake, exhaust or cooling has been changed, send your year and current parts to support@gt40marine.com or call (360) 453-7392 before you order.

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