Borla XR-1 Multi-Core 3in Ctr-Ctr Round 16in x 6.25in Rotary Engine Equipped Racing Muffler - 400373

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...

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

Designed for vehicles racing at venues requiring a muffler, but can be used for other applications. Reversible design for installation flexibility. Patented Multicore design for maximum power...

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...