HKS 88-91 Honda Civic Si Sport Exhaust

HKS Sport Exhaust Systems are designed to reduce back pressure 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
An Oval OE Stylish Muffler
Flat Black Coating finish