Smog-Legal Killer goes from a 2.5- to a 3-inch exhaust, and we upgrade the headers from 15⁄8 to 13⁄4 inches and add EPA-certified high-performance cats. It's an age-old question that's nearly ...

For all intents and purposes, an automobile engine is basically a large mechanism that moves air. The engine needs to be able to breathe in order to provide optimal performance. This is why, when ...

You're sitting around with your typical street/strip V-8 and wondering, should I get 2.5-inch-diameter exhaust pipes and mufflers, or should I go 3-inch? In this episode of Engine Masters, presented ...

Exhaust systems not only dictate how a hot rod sounds but also how much horsepower it spits out. For years, the debate of how much backpressure an engine needs has been festering in the corners of the ...

A new exhaust can make a world of difference when it comes to driving experience. Now, Chevy Silverado and GMC Sierra truck owners with the 5.3L V8 engine up front can upgrade their pickup with AWE’s ...

Exhaust systems not only dictate how a hot rod sounds but also how much horsepower it spits out. For years, the debate of how much backpressure an engine needs has been festering in the corners of the ...