Borla 3.5in Tubing x 6.25in Diameter x 24in Length Multi-Core Center/Center Round Racing Muffler - 400261

The compact diameter of these mufflers make them great for both classic and late model cars with ground clearance issues. Sound is attenuated with the Borla patented Multicore design and...

BORLA XR-1 Raceline products are the choice of todays hottest drag and oval track racers. Featuring a patented uninerrupted-flow design and multicore technology. BORLAs XR-1 mufflers actually outflow...

Developed for truck applications and other applications that require a long body muffler. Notched necks for clamp in installation using 1" wide band style clamps 18330 (clamps not included)...

High quality austenitic stainless steel. Patented, race-winning XR-1 Raceline technology. 3 options: Offset - Made with the same patented, flow through design as the XR-1 Sportsman oval. The...