Product Description
Fitment Information:
2002 - 2007 Subaru WRX
2004 - 2007 Subaru STI
Features:
Increases horsepower and torque by providing an unobstructed exit path for the exhaust gases
Reduces turbo lag
Produces an aggressive exhaust note
Polished tip
Tip 4.72 inches
Piping 3 inches
SUS304 stainless steel muffler
SUH409 stainless steel exhaust
The HKS Hi-Power WRX & STI Catback Exhaust features 3in coated mild steel piping and a stainless steel angled-exit Hi-Power muffler for true JDM look and sound. The HKS Hi-Power's full straight, 3in piping and free-flowing muffler reduce backpressure and create significant performance gains while giving your WRX or STI a deep, throaty exhaust tone.
Note: Are you using a stock j pipe or downpipe? If so, you'll also need the GrimmSpeed Subaru Stock DP to Aftermarket 3" Catback Adapter, available to purchase separately.