Aero Chamber Muffler - 2.5" Inlet Offset/Outlet Offset Hi-Performance Changing your final drive to

Changing your final drive to a performance ratio will increase RPM and provide better acceleration

Thanks to a built-in 3-axis accelerometer and gyroscope

Although the camshaft does not make HP

2022+ Subaru BRZ

Stage 2+ 420

Aero Chamber Muffler - 2.5" Inlet Offset/Outlet Offset Hi-Performance Changing your final drive toThe 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 principle, similar to that which is currently popular in racing header design. The aerodynamically designed chambers flow 23% better and produce more horsepower and torque than the most popular high performance