NOTE: Does not fit 2008, 2009, 2010 WRX or STI
If you're in the market for a quality high-performance exhaust system, then you will be pleased with the HKS Racing Muffler. This is a single-exit exhaust system that is a direct replacement of your OEM exhaust system. It has been designed with smooth bends to reduce turbulence under acceleration which will improve initial throttle response and will add more horsepower and torque.
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