Conventional wisdom suggests two pipes will help an engine breathe more freely than one, but as Engine Masters discovered, that might not always be the case.

A question often asked is: Which muffler is better, Magnaflow or Flowmaster? Both exhaust brands have been around since the early 1980s, both have the word "flow" in their names, and both brands have ...

The main thing that separates hot street cars from race cars is mufflers. Heck, you've got blowers, injectors, roller cams, ported heads, and anything else you can name on street cars these days.