The purpose of a muffler is to produce a broad-band reduction in the sound output of an engine's exhaust. Some mufflers do incorporate a resonator design into a portion of their physical envelope ...

Diesel engines already have a growl to them, but if you want to take it to the next level, here are five ways you can do it -- no matter your budget.

Well, the name is a pretty big clue in that a muffler muffles. Essentially, it's designed to reduce the overall volume of the noise coming out of your engine, across the entire sound spectrum.

The easier it is for exhaust gases to move, the better the engine can perform. That’s why aftermarket muffler designers go through leaps and bounds to make sure their mufflers flow as freely as ...

After my 1955 Chevy V8 hasn't been driven for a week or more, when going downhill under engine compression braking, fairly heavy white smoke comes out of the exhaust ports.

In this episode of Engine Masters, presented by AMSOIL and sponsored by Mr. Gasket and Earl's Vapor Guard, we take a second look at the old exhaust sizing debate with an everyday-man's small-block.