It's been a few weeks since I installed the Borla cat-back exhaust on my 1991 brg Miata (1.6 liter) and the tone is phenomenal. This video covers sound clips, start up, revs, etc. and installation ...

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 ...

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 ...

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 ...

Did you know exhaust systems function like elaborate organ pipes? I always thought they were more like long megaphones or trumpets, transmitting and muting the sound of the explosions happening in the ...