Shorty headers
Signature TV has been diagnosed with broken bolts and cracked exhaust manifolds. It doesn't seem to have any effect right now but I will eventually have to deal with it. Truck currently has 3" CAT bac...
Forum Discussion
I know I will be in the minority. But I would go to a wrecking yard and get exhaust headers that are made for your vehicle. Now if you start with enlarging the air intake so your engine gets more air, then relieving the exhaust pressure with after market headers you may gain a little hp & torque. It will still be barely noticeable. Just my experience, which is some what limited.
