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 ...

Your car’s exhaust system does far more than just quiet the engine—it’s key to performance, safety, and emissions control. From the manifold to the muffler, each part plays a vital role in managing ...

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 ...

For decades, Nissan has had a strong reputation in the tuner community, from the mythical Skylines of Japan (before the GT-R arrived) to the overwhelming popularity of the S13 and S14 240SXs among ...