A Torx Racing calibration for large-injector Siemens Sea-Doo builds, with dyno and real-water validation behind it.
Expect 20-30 hp, 10-20 tq, 200-300 RPM and 2-4 mph. Undetectable by scan tools, and covered by a 30-day money-back guarantee.
- 2004-2011 Siemens skis
- 80 lb injectors, 9200 RPM limit
- 20-30 hp, 10-20 tq, 2-4 mph
- Upgraded valve train, 91+ octane
