As some of you may be able to recall, we dipped into the low 12s with our Project LS1 Trans Am using SLP Performance Parts' Tuned Length Headers, Y-pipe and Loud Mouth II exhaust, and little more than ...

Conventional wisdom has it that long-tube headers offer more performance than short-tube headers, albeit at more expense and installation effort. We decided to test that conventional wisdom and share ...

Bolting on a set of headers has long been one of the first moves a hot rodder makes in search of more performance. Traditionally, factory iron log exhaust manifolds are set aside in favor of a pair of ...