July 8, 2009 – The Society of Automotive Engineers (SAE) International has produced a simple, consistent and economical sound test standard that can be used to determine whether a street bike ...

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 ...

Kali Muscle embarks on a quest to achieve the perfect exhaust sound for his AMG GT63, testing and tweaking different configurations. After removing stock mufflers and installing suppressors that left ...

There's so much data here, we simply don't have room to dissect it all, but you have it now, so you can choose the mufflers you are interested in and run the numbers through Excel if you are really ...