When it comes to performance, many overlook the backside of the equation, more commonly known as the exhaust. The old adage that what goes in must also come out, should immediately come to mind when ...

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 ...

On a 5.7 HEMI, shorty headers promise easy bolt-on power without turning your daily driver into a race-only project. The real question is how much horsepower they actually add compared with stock ...