← Stage kits
Watercraft shown for reference
Sea-Doo RXT-X 300 Stage 1 Performance Kit
RXT-X 300 · 2019, 2020, 2021, 2022, 2023
Air intake, catch can, intercooler tubing with blow-off valve and PWC Lab Link.
$850.00USD
Check fitment ↗- Fitment
- RXT-X 300 · 2019, 2020, 2021, 2022, 2023

Kit includes 4 parts
Compare stages ↓Black silicone. Hoses and mounting hardware included.
Stage 1$850.00
Compare stages
| Kit includes | Stage 1Viewing | Stage 2 | Stage 3 |
|---|---|---|---|
| Black Silicone Air Intake | × 1 | × 1 | × 1 |
| Catch Can | × 1 | × 1 | × 1 |
| Intercooler Tubing and Blow-Off Valve Kit | × 1 | × 1 | × 1 |
| PWC Lab Link | × 1 | × 1 | × 1 |
| ST3 Rear Exhaust Kit | — | × 1 | × 1 |
| Sea-Doo Shorty Waterbox | — | — | × 1 |
| SuperCooler Intercooler | — | — | × 1 |
| Full kit price | $850.00 | $1,250.00 | $2,150.00 |
| Choose a kit | Current kit | View kit ↗ | View kit ↗ |
Prices are for complete kits.
Fitment — model & year
You don’t need to save a ski to order.
Tuning
PWC Lab Link is included. ECU tuning services are not included.
Installation & support
- Required hoses and mounting hardware are included with each assembly.
- For installation help, contact support@gt40marine.com. Existing GT40 Marine warranty terms apply.
