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 ...

Well-engineered, bolt-on replacement exhaust systems are a relatively modern advancement. Up until the early 1980s, enthusiasts were forced to replace a rusted-out mess of mild steel piping with more ...