Borla 1.23 x 8.5 x 5.5 x 4 XR-1 Multi-Core Racing Muffler - 400069

Designed for Pre-Runner trucks, but an be used on other applications. Long body design works well on trucks. Body has reinforcing ribs. Reversible design for installation flexibility. Patented...

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...

Designed for rotary engine equipped vehicles, but can be used on other applications. Compact size is perfect for applications with limited space. Reversible design for installation flexibility...