The Road Rage 2:1 B4 exhaust system is engineered to improve midrange power and throttle response for high-performance street engines. It features equal-length headers, stepped 1-3/4" to 1-7/8" headpipes with heatshields, and an advanced inner collector designed to maximize flow and efficiency.
Recommended for engines with up to 120 hp and precision-made in the U.S.A., this system balances sound, performance and durability. Installation is straightforward on compatible models; professional tuning is recommended to realize full performance gains. 🔧🔥