The Walker Mega-Flow NoiseBraker muffler, manufactured and marketed by Tenneco, is designed to provide a direct retrofit for Class 7 and 8 vehicles, capable of reducing backpressure and quieting the ...

Instead of letting a car engine make its customary racket and trying to contain and soften the sound, new electronic mufflers will fight noise with noise, squelching raucous sound waves as quickly as ...

As far as we're concerned, nothing beats the sound of a late-model Mustang's V-8 engine, at idle or at full growl. Over the years, Mustangs have become identifiable by their sound alone. Seriously, ...