2004-2007 Sport Exhaust Systems are designed to reduce backpressure and increase exhaust flow for greater peak power and a broader torque band. Each Sport Exhaust application utilizes a specific muffler design and shape along with the appropriate piping diameter to maintain low-end torque while maximizing high-end horsepower.
Features:Construction: SUS304Piping: Coated SUS409Diameter: 75mmTip: 105 mmFitment:Subaru WRX STI 2004-2007Notes:Pictures for marketing purposes only, actual product may vary
WARNING: Cancer and Reproductive Harm
The HKS Sport Exhaust Subaru WRX STI 04-07 is the product you didn't think you need, but once you have it, something you won't want to live without.