The dual-mode performance exhaust available on SS models equipped with a manual transmission is noticeably better than the standard exhaust on previous models. It’s not necessarily louder… it’s simply ...

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 ...

These are the most common sizes and shapes of the XR-1 mufflers. The oval is the most popular for street cars because it doesn't hang down as far as the others and has more packing material. After all ...