Part Number: 31013-BF001

Description: HKS Sport Exhaust

Fitment: 02-07 Subaru WRX & STI

Tip: 105mm

Details:

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.