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 ...

When you’ve driven your car for a long time, you probably know what it usually sounds like and can recognize something odd. Rattling sounds coming when you go on unpaved roads, accelerate, or even ...

Today’s stock exhaust systems are far too quiet for most riders’ preferences, and word on the street—or forums—is that you don’t need to spend $500 on a slip-on to make your bike louder. That’s ...

What really makes a truck? Above and beyond its heritage--that being the year, make, and model--each truck has individual traits, most often characterized by color and wheel choice. But there's more ...

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 ...