Not sure what size exhaust your vehicle needs? Learn how to choose the right diameter and what can go wrong if it’s too big ...

454ci big-block all the backpressure it could want with a 2.5-inch exhaust system, how does it compare to a larger 3-inch exhaust or open headers?

Proper exhaust-pipe size is a function of both engine output and displacement. The higher the engine's output, the larger the pipes should be. Likewise, larger engine displacements call for bigger ...

GM says the cat-back exhaust kit features “large front 3.5-inch and rear split 2.75-inch outer-diameter 304 stainless-steel pipes,” along with all the necessary hardware for installing it.

After all, the hours invested in the engineering behind the engine, exhaust, intake, and suspension of a vehicle are ...