Grand Rock has Quiet Performance mufflers available for dual-exhaust trucks. These patented, new-technology mufflers provide an average fuel mileage increase Grand Rock has Quiet Performance mufflers ...

Nothing's quite as cool as the throaty growl of a high-performance exhaust system on hot rods, muscle cars, and race vehicles. And the good news is that squeezing engine performance out of your daily ...

So you've just bought a Corvette, and like most hobbyists, you've already got your eyes and your ears focused on the exhaust system. Sure, the factory pipes are fine for the no-mod crowd, but you've ...