Description
Corsa Performance Cat Back Exhaust, BMW E90 M3 Tip Finish:Black Torque: 35 50% gain over stock The 944 Turbo distinguished PFF5 5601 3A7200CB Pistons:84mm Bore 9:1 Torque: 35 50% gain over stock depending on fuel quality and pulley used Fuel: FLEX (E85 Ethanol Safe)