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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

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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.

Your kit

Sea-Doo GTX 300 Stage 3 Performance Kit

  • Black Silicone Air IntakeGT40-SD-INT-BLACK
    × 1
  • Catch CanGT-57458-4
    × 1
  • Intercooler Tubing and Blow-Off Valve KitGT-8485
    × 1
  • PWC Lab LinkPWCLAB-LINK-001
    × 1
  • ST3 Rear Exhaust KitGT40-SD-EXH-ST3
    × 1
  • Sea-Doo Shorty WaterboxGT40-SD-WBOX-SHORTY
    × 1
  • SuperCooler IntercoolerGT-14007
    × 1
Kit price$2,150.00 USD

Not available to order.

Sea-Doo GTX 300
Watercraft shown for reference

Kit includes 7 parts

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Black silicone. One of each listed part.

Part detail

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Included parts and quantities
Kit includesStage 1Stage 2Stage 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
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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.

Contact GT40 Marine · Warranty · Shipping

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