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 ...
The quest for the perfect V8 sound has always been a balancing act between raw power and daily comfort, but Borla\u2019s 2026 updates for classic Chevy builds are shifting the goalposts. With new ...