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  1. 30-50 HP gain! - Kooks ceramic coated headers with GREEN catted X pipe

    C7 Parts For Sale
    I have one set of Kooks 1-7/8" headers black ceramic coated to keep that engine bay looking pretty. Their GREEN cats are 49 state certified and you can put these headers on without a tune and not only pick up 30+ wheel HP, but also really get an aggressive sounding exhaust! As you can see from...