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 ...

Like you, we've been eagerly awaiting hot rod parts for the exciting new Coyote 5.0-liter V-8 in the '11 Mustang GT. Just about every speed-parts manufacturer we know is busting long hours over the ...

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 ...

Having run our header test in the last issue on the normally aspirated version of the GT1000 motor, we were anxious to retest the motor with some boost. You will remember that the 5.4L GT1000 was ...