In the world of engine hop-up components, headers are truly a win-win-win deal. They can deliver measurably better torque, horsepower, and mileage. When swapping out factory iron manifolds for headers ...

The smoother the transition from high exhaust pressure within a header's primary pipe to atmospheric pressure at the end of the pipe, the longer the reflected pressure wave's duration—and that makes ...

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 ...

"Hey, look! Headers for a small-block. These'll work!" --Overheard at a swapmeetHow did you pick your headers? Did you spend more time deciding on the color of your plug wires than you did on this ...