It's been a few weeks since I installed the Borla cat-back exhaust on my 1991 brg Miata (1.6 liter) and the tone is phenomenal. This video covers sound clips, start up, revs, etc. and installation ...

Ask any older hot rodder about exhaust cutouts or dumps. In the old days, lakes racers would drive to the track and uncork the exhaust with a simple three-bolt cap so they could go faster. Most hot ...

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 ...