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 ...

Nothing sounds more badass than a rowdy V-8 rumbling through a killer, dual exhaust system. There's a method to getting just the right formula dialed in to couple the needs for performance with that ...

In 1983, when our Z28 was the king of a very weak army, its exhaust consisted of dual mufflers and twin, concealed outlets. It was considered somewhat exotic for the time. But after 15 years and ...