A lot of 5.7 Hemi owners start looking at headers after the factory manifolds begin holding the engine back. Some want more sound. Others are chasing better throttle response, stronger midrange pull, ...

AtVettewe love bolt-on performance parts. Maybe it's the nearly instant gratification they provide or it could be that they are easy enough for a caveman, or editor, to install. In any event, they are ...

These SLP headers have 1-inch primaries that dump into a 3-inch collector. Made from stainless steel, they're advertised to produce an extra 23 hp and 21 lb-ft at the wheels. The set pictured has an ...