- Designed specifically to address the needs of tuned motors built for high horsepower applications
- Use a unique extended inner collector to maximize performance
- 4" straight-style performance muffler body with 21/2" x 161/2" baffle and black billet end cap with contrasting machined flutes
- Include full-coverage heat shields
- O2 sensor port plugs included for non-sensor applications
- Made in the U.S.A.
- NOT FOR DYNA'S WITH LONGER SHOCKS. USE RR2 MEGA POWER OR RR3