21501HKR Aero Chamber Muffler

Product description the raw aluminized steel aero chamber is designed to do much more than simply muffle exhaust noise. The aero chamber muffler produces a deep throaty powerful sound that will not change with time. The hooker aero chamber uses a unique step principal, similar to that which is currently popular in racing header design. The aerodynamically designed chambers flow 23 percent better and produce more horsepower and torque than the most popular high performance brand.