Sea-Doo RXP-X 300/325 Rear Exhaust Kit
GT40 Marine rear exhaust kit for Sea-Doo RXP-X 300 (2021–2023) and RXP-X 325 (2024–2026).
No saved ski needed to purchase. Use the fitment details to choose the right part for your setup.
Shipping and delivery options at checkout. Eligible lower-48/DC orders over $500 receive free Standard shipping. Shipping details
Model & year fitment
Match the exact model, engine and year. Fitment and stock availability are separate checks.
“Needs a fitment check” means compatibility is not confirmed for that setup. You can purchase without saving a ski; contact GT40 if you need help choosing. Required hardware may be sold separately; confirm what is included. A model or year absent from this chart is unconfirmed.
2020 RXP-X 300: confirm the tube routing and hull outlet with GT40 before ordering. This application is under review.
Compare product fitment →Product details
GT40 Marine rear exhaust kit for Sea-Doo RXP-X 300 (2021–2023) and RXP-X 325 (2024–2026). The 2020 RXP-X 300 application needs confirmation of tube routing and hull outlet before ordering. Does not fit 2016–2019 RXP-X 300 or RXT-X / GTX ST3 hulls. Confirm the exact year, model and current kit contents with GT40.

PWC LAB · By GT40 Marine
See what your Sea-Doo is doing
PWC LAB Link plugs into the diagnostic port and puts live engine data on your phone in the free PWC LAB app. Watch it live while you ride, and check the data again after you change parts.
- Live RPM, boost, temperatures, battery voltage and throttle*
- Factory O2 sensor reading on the 325, no extra sensor
- Ride logs with post-ride telemetry charts
- Scan faults and clear supported stored ECM codes*
- SCOM and automatic Startup Sport on compatible Sea-Doo models*
30-day money-back guarantee. *Readings and features depend on the exact model, year and ECU; check your model on the Link page. No wiring and no tools.




