B1 2:1 Exhaust - Black

Designed specifically to address the needs of tuned motors built for high horsepower applications. Use a unique extended inner collector maximizing performance. 4" straight-style performance muffler body with 2-1/2" x 16-1/2" baffle and black billet end cap with contrasting machined flutes. Oxygen sensor port plugs also included for non-sensor applications. Made in the U.S.A..