Choosing the right size headers is important to maximize power, especially when using nitrous. Primary tubes that are too large may prevent the engine from hitting the "sweet spot," and primaries that ...

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 ...

That's why this month we're bringing you Part 2 of our Official Guide to Corvette Headers. With the right header package (headers, downpipes, intermediate pipes, and catalytic converters, if needed) ...

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 ...