HP
Typical planning range: +10 to +20 HP with supporting setup
Rotax 1630 ACE 300 / 2016-2025
Sea-Doo 300 Stage 1 Performance Kit
The first GT40 package for 300 HP Sea-Doo riders who want sharper airflow and response.
Price
$725
Live kit price
Install
Intermediate
3-5 hours
What you get
Included GT40 SKUs
GT40-SD-INT-300
300 Air Intake
GT40-SD-BOV-300
300 Intercooler Tubing with BOV
GT40-SD-CC-4TEC
4-TEC / ACE Catch Can Kit
Torque
Sharper response and stronger roll-on acceleration
Boost
Stock to mild-tune boost range
Recommended for
First 300 HP bolt-on package
Riders keeping install time manageable
Owners planning a later Stage 2 upgrade
| Feature | Stage 1 | Stage 2 | Stage 3 |
|---|---|---|---|
| Air Intake | Yes | Yes | Yes |
| Intercooler Tubing with BOV | Yes | Yes | Yes |
| Cooling review | Optional | Optional | Yes |
| Exhaust/waterbox path | Optional | Optional | Yes |
| Tune required | Optional | Optional | Yes |
FAQs
Which 300 models does this support?
Use this path for 2016-2025 300 HP Sea-Doo models after verifying exact hull and year.
Does Stage 1 need a tune?
Stage 1 is the first bolt-on path. Tune decisions depend on the final setup and installer guidance.
Can I move to Stage 2 later?
Yes. Stage 1 is designed as the foundation for the fuller 300 HP path.
How fast does the kit ship?
In-stock GT40 parts normally ship from the current GT40 fulfillment queue. Check the product page before checkout for live availability.
Will this affect my factory warranty?
Any performance modification can affect factory warranty coverage. Confirm with your dealer and installer before modifying a new craft.
Can GT40 help verify my exact model?
Yes. Use your exact year, model, and engine when ordering so the GT40 team can confirm the correct fitment path.