It's an accepted part of hot rodding lore that headers help make more power and torque on any engine versus the typical stock cast manifold, but do you know why? It's all about flow, right? Well, yes ...

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 ...

Editor's note:This month's installment for Project Unfair (from Prodigy Customs and II Much Fabrication) deals with a familiar subject, but with an Unfair twist. We promised lots of tech and insight ...