A lot of 5.7 Hemi owners start looking at headers after the factory manifolds begin holding the engine back. Some want more ...

Harley-Davidson exhaust sound comparison featuring various mufflers: CHAPTERS: 00:00 Introduction 00:48 Different Mufflers 02 ...

Lingenfelter Performance Engineering and General Motors go a long way back. Lingenfelter has recently unleashed two exhausts for the C8 Corvette Z06, beginning with a 3.0-inch system featuring ...

The premise of the test was simple. First we'd select a test vehicle, then run all the mufflers on the chassis dyno to determine the horsepower output and back pressure of each set, and then test them ...