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 ...

Hot Rod school is now in session. For the benefit of first-timers we'll begin with a primer on exhaust header basics, your first logical step towards improved automotive performance. Not only will we ...