This BMW E30 exhaust has seen better days but the transformation is worth it. From heavy rust to a clean functional finish ...

Rust is the No. 1 enemy of exhaust systems, but it is by no means the only one. For example, bottoming out over bumps can cause physical damage to car parts; mufflers can get clogged by internal parts ...

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 ...