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 ...

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 ...