Greddy Revolution RS Cat Back Exhaust Subaru WRX / STI Sedan 2011-2014 vendor_Koyo Cooling Part #: IS-90225250

Part #: IS-90225250

The system is finished off with classic quad Supreme SP 89mm laser engraved GReddy tips

Part #: ABW-FF-0203FRONT1PC40MMREC-SEDAN

or vice versa

High-flow performance air filter for improved horsepower and acceleration

Greddy Revolution RS Cat Back Exhaust Subaru WRX / STI Sedan 2011-2014 vendor_Koyo Cooling Part #: IS-90225250Part #: 10168101 The Revolution RS for the Subaru WRX STI sedan features full 3. 0 diameter piping for superior performance. Dyno test have shown increase in 12hp and an amazing 32ft lbs of torque. The purposeful single sided cat back layout with minimal bends produces a cost effective, light weight system. Classic GReddy styling positions the muffler and tip stylishly underneath the right side of the car while matching the profile body lines