← Stage kits
Watercraft shown for reference
Sea-Doo GTX 300 Stage 3 Performance Kit
GTX 300 · 2022, 2024, 2025
Everything in Stage 2, plus a shorty waterbox and SuperCooler intercooler.
$2,150.00USD
Check fitment ↗- Fitment
- GTX 300 · 2022, 2024, 2025
- ST3 hull applications only. Exact model-year fitment is being confirmed.
- 2023+ ST3 installations require the correct siphon-break hardware.

Kit includes 7 parts
Compare stages ↓Black silicone. One of each listed part.
Stage 3$2,150.00
Compare stages
| Kit includes | Stage 1 | Stage 2 | Stage 3Viewing |
|---|---|---|---|
| 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 | View kit ↗ | View kit ↗ | Current 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 included.
- Follow the instructions supplied with each part.
