Skunk2 '06-'11 Civic Si Alpha Series Header WRX STI Hardware: Screws + Brackets (Included)

Hardware: Screws + Brackets (Included)

and increase the safety and drivability of your car by using Goodridge race proven

PRO-SYSTEM-PLUS

with 28 way fully adjustable dampening

The FX1 Pro racing seat features composite fiberglass technology

Skunk2 '06-'11 Civic Si Alpha Series Header WRX STI Hardware: Screws + Brackets (Included)Note: Complement with a genuine Skunk2 MegaPower R Exhaust system for maximum exhaust flow and gain. Race applications only eliminates catalytic converter. Includes adapter flange, donut gasket, and exhaust hanger mounting bracket. O2 sensor bung thread pitch: M18 x 1. 5. *Not compatible with K24 bottom end swap*