This muffler is directional. The outlet can be identified by the mounting bracket welded to the endcap. The world's first mufflers purpose-built to optimize the sound & power of crate and...

This muffler is directional. The outlet can be identified by the mounting bracket welded to the endcap. The world's first mufflers purpose-built to optimize the sound & power of crate and...

This muffler is directional. The outlet can be identified by the mounting bracket welded to the endcap. The world's first mufflers purpose-built to optimize the sound & power of crate and...

Value-priced BORLA® ProXS mufflers share many of the hottest features of our performanceline. Including high-quality 300 Series austenitic stainless steel construction, streetcommandingsound and our...