I have a full exhaust for sale all parts have been on the car around 3,000 miles
BBK chrome longtube headers: $450 obo
BBK offroad X pipe: $150 obo
Magnaflow Street Catback: 500 obo
SCT SF3: 250 obo
I am debating on getting a paxton for my '11 gt m6 my current mods are full exhaust and a sct tuner with just a bama tune rightnow. what kind of power would i make reliable and safely? Would i have to upgrade anything like clutch?