Now that our 2000 Oldsmobile Intrigue goes in a straight line again, I'm considering fixing the less pressing problems, like the steadily increasing engine noise. I figured, the muffler is just under ...

Of the elements that make up the four-stroke cycle, the exhaust is the last part of the equation, and it also represents the end of an engine's ability to make power. Once the exhaust gas leaves the ...

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.