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GT40 Marine / Upgrade guide

Sea-Doo GTX 300.Upgrades that fit.

12 GT40 parts matched to the 2022, 2024–2025 GTX 300, from the intake to the exhaust. Set your model year to check every part against your exact ski.

Engine
Rotax 1630 ACE
Power
300 hp
Model years
2022, 2024–2025
Hull
ST3
Sea-Doo · 300 hp12 parts
Sea-Doo GTX 300, 2025 GTX 300 shown
2025 GTX 300 shown
Set your GTX 300 model yearEvery part below will show its fit verdict for that exact year.
01 / Intake

Cold air intakes

All 6 GT40 intakes fit the GTX 300 for 2022, 2024–2025. 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 300 hp GTX 300.

Sea-Doo 230/300 Intercooler Tubing + BOV KitTubing + BOV
Fits 2022, 2024–2025

230/300 Intercooler Tubing + BOV Kit

Intercooler tubing · blow-off valve

$249
03 / Intercooler

Intercooler

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

GT40 SuperCoolerIntercooler
Fits 2022, 2024–2025

GT40 SuperCooler

Complete intercooler assembly

$475
04 / Exhaust

Exhaust and waterboxes

Waterbox and rear exhaust parts matched to the GTX 300.

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 2022, 2024–2025

4-TEC Catch Can Kit

K&N breather · bracket and hardware included

$135
06 / Ribbon delete

Ribbon delete

The ribbon delete kit ships with the hole saw and arbor, seals and mounting hardware.

GT40 Marine Ribbon Delete Kit - Supercharged Sea-Doo (All Except 325 - Hole Saw Included)Ribbon delete
Fits 2022, 2024–2025

Ribbon Delete Kit

Hole saw, arbor, seals and hardware included

$169.99
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 GTX 300?

All 6 GT40 intakes fit the 2022, 2024–2025 GTX 300, 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).

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 GTX 300.

What if my GTX 300 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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