Thanks to almost 40 years of experience, Borla can pride itself on being one of the most accomplished aftermarket companies out there. Their bread and butter are exhaust systems and, as fate would ...

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 ...

Regardless of the powerplant you're into, be it a small-block, a big-block, or an LS variant, a good exhaust system will do a number of things: the great sound you're looking for, the quality of ...

Put mufflers on a 1300hp big-block Chevy, and most enthusiasts would guarantee that you'd choke the horsepower down. But the test of Borla's new 4½-inch Shoot-Out Series muffler revealed that ...