HP
Typical planning range: +10 to +20 HP with supporting setup
Rotax 1630 ACE 325 / 2024-2026
Sea-Doo 325 Stage 1 Performance Kit
The first GT40 bolt-on path for 325 HP Sea-Doo riders who want sharper response without turning the build into a full tear-down.
Price
$1,150
Live kit price
Install
Intermediate
3-5 hours
What you get
Included GT40 SKUs
GT40-SD-INT-325
325 Air Intake
GT40-SD-TUBE-325
325 Intercooler Tubing with BOV
GT40-SD-BOV-325
325 BOV hardware
Torque
Stronger low-to-mid pull; final output is tune and prop dependent
Boost
Stock to mild-tune boost range
Recommended for
2024+ 325 riders buying their first airflow package
Riders who want bolt-on response before changing the full exhaust path
Owners keeping the build simple and serviceable
| 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
Does Stage 1 fit every Sea-Doo 325 model?
Use this page for 2024-2026 325 HP Sea-Doo models. Confirm exact year and hull before checkout.
Does Stage 1 require a tune?
Stage 1 can be used as a first bolt-on path, but any tune decision should match fuel, riding style, and local installer guidance.
Can I upgrade from Stage 1 to Stage 2 later?
Yes. Stage 1 is the foundation for the 325 Stage 2 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.