Little did Ron DiDonato know when he started Superior Metal Fabricators back in 1979 that, more than 30 years later, his business would involve making performance-minded exhaust systems for all sorts ...

As recently as the 1950s, only a select few American automobiles were available with a dual exhaust system. Over the course of about a decade, that all changed with the emergence of the muscle car. To ...

The truth is that, based on power output and use, a 3-inch exhaust isn't always the right moveand the same can be said of long tube headers. And while stainless pipes are always nice, there's nothing ...

Let’s face it: Any and all 4x4s with internal combustion engines fart out spent gases at an alarming rate, sending thousands of little gas balls out the rear of the system. Generally most car people ...

The only time a lowrider should sport a standard black rubber coolant hose is if you're going for a full factory spec resto. Other than that, we don't want to see one amidst a sea of chrome. It's just ...

The idea that Harley-Davidson engines need exhaust backpressure to produce power is one of the most persistent beliefs in the motorcycle world. Riders who bolt on straight pipes often report a loss of ...