If you’re ready to take your Sea-Doo GTX 300 to the next level, the EVP ECU Bench Power Flash is the ultimate performance upgrade. This isn’t just a bump in numbers, it’s a complete transformation of how your machine feels on the water. You’ll experience sharper throttle response, faster acceleration and increased top-end speed that makes every ride more thrilling. EVP’s expert tuning refines your ignition and fuel mapping for crisp, consistent power delivery whether you're carving waves or cruising full throttle. It's the kind of upgrade that instantly makes your GTX feel like a whole new beast.
Tune Features:
- Increased top speed
- Drastically improved throttle settings
- Improved power and acceleration
- Instantaneous power delivery
- Increased RPMs
- Raised Rev limiter
- Optimized ignition and fuel delivery
- STAGE 1: Includes EVP GTX 300 tuning software only (ECU Bench Flash via mail-in)
- STAGE 1+: Includes EVP GTX 300 tuning software & EVP Intake Kit (ECU Bench Flash via mail-in)
- STAGE 2: Includes EVP GTX 300 tuning files & OEM RXP/T-X 325 Impeller (ECU Bench Flash via mail-in)
- STAGE 2+: Includes EVP GTX 300 tuning files, OEM RXP/T-X 325 Impeller & EVP Intake Kit (ECU Bench Flash via mail-in)
- Not compatible with models with IDF at this time.
- EVP DISCLAIMER: For this Bench Flash, you must fill out this ECU SUBMISSION FORM and submit it with your physical ECU. ECU’s will not be accepted without this form. Please fill out, print and ship it with your ECU to: 2018 State Road 35, Somerset, WI 54025. Typical turnaround time for flashing is 24-48 hours (this does not include transit time). Please note UPS does not guarantee overnight or expedited shipping methods. In no instance will EVP refund shipping costs due to carrier shipping delays. Please ensure your ECU is properly packaged and protected prior to shipping. Improper packaging can result in damage during shipment. EVP is not liable for damage done prior to receiving your ECU.
- Tuning Disclaimer: Evolution Powersports, LLC product found on this website is exempt from the emission standards and related requirements of 40 C.F.R. § 1051 as provided by 40 C.F.R. § 1051.620, and California law [e.g., vehicle code§§ 27156 and 38391]. The product is sold only for use in connection with EPA Âcertified, purpose-built, non-road vehicles used solely for closed course, non-road competition/racing and not used for any recreational purpose or on public highways or right of ways maintained by and open to the public. This product is sold only in connection with machines that do not fall under state and/or federal noise or emission standards/regulations. Purchasers who/that purchase this product represent and warrant that the product is purchased only in connection with EPA-certified, emission-regulations-exempt and noise-regulations-exempt competition/racing vehicles as interpreted under applicable state and/or federal law.
