These are the most common sizes and shapes of the XR-1 mufflers. The oval is the most popular for street cars because it doesn't hang down as far as the others and has more packing material. After all ...

No offense to owners of the Chevrolet Silverado and GMC Sierra Sierra equipped with the 5.3L L83 V8, but if you think those trucks sound good with an aftermarket exhaust setup, just wait until you ...

Borla was first approached for a high-performance aftermarket sound by Shelby American for use on its amped-up Mustang Mach-E models. The system includes a speaker, wiring, a computer/controller, and ...

Nobody fiddling around with Toyota's all-new C-HR and its 2.0L engine with its belt-driven transmission expects to be setting records on the dyno, and that includes us. But that doesn't mean there ...

The C6 Corvette is a plenty hot car right from the factory. With plenty of horsepower and amazing handing, it is truly an exotic car with Chevrolet badging. But those same fine folks at Borla that ...