Sea-doo GTR-x 300 Stage 1+ [74+MPH]

Unleash the Full Potential of Your GTR-X 300

Take your Sea-Doo GTR-X 300 to the next level with our Stage 1+ Performance Kit. This setup is engineered for riders who want more top-end speed, quicker throttle response, and real-world performance gains — without compromising reliability.

Built with proven components from JP Racing Inc., this kit is ideal for recreational enthusiasts and serious weekend racers alike.

Included in the Kit:

✅ JP Racing Inc. ECU Flash
Reprograms your stock ECU to remove factory speed limiters and optimize ignition timing, fuel maps, RPM limits, and throttle response.

📦 ECU must be shipped to JP Racing Inc. for flashing.
Shipping Address:
JP Racing Inc.
3132 Palm Ave, Unit 10
Fort Myers, FL 33901

✅ JP Racing Rear Air Intake System
Upgrades your stock airbox with a high-volume 4” marine-grade air filter. Delivers cooler, denser air to the supercharger for noticeable gains in acceleration and top speed.

✅ JP Racing Stainless Oil Catch Can Kit
Eliminates blow-by oil vapor from recirculating into your intake system. Improves intercooler efficiency and engine cleanliness. Includes breather filter, stainless catch can, hose, and petcock drain valve.

✅ Fizzle Silicone Intercooler Piping
Stronger airflow and improved heat resistance under boost. 

✅ OEM Plastic Wear Ring With Race Pump Seal
 Improves impeller grip, acceleration, and overall pump reliability in all water conditions.

✅ SOLAS Concord Impeller
Featuring large blade area and radial edge design for better hook-up, stronger acceleration, and top-end speed. A must for performance-focused riders.

🔧 Recommended Maintenance:

• Use 91+ octane premium fuel only.

• Ensure proper oil level, spark plug condition, wear ring, and impeller before installation.

⚠️ Disclaimer:

JP Racing Inc. Stage Kits are intended for competition use only. No warranties are expressed or implied. All modifications are installed at your own risk.