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 ...
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