BOR XR-1 Mufflers

Exhaust Muffler

XR-1? Multi-Core Slim Line Racing Muffler - 3.5" Oval Pipe Center Inlet/ 3.5" Oval Pipe Center Outlet 3" x 7.88 Oval x 12" Long Body 17" Overall Length. Universal Part. Reversible Design.

Million Mile Warranty

Made from aircraft-quality high quality austenitic stainless steel and BORLA XR-1 Raceline Exhaust Technology. This unique, durable race muffler uses oval tubing and incorporates a slim profile for maximum ground clearance while maintaining significant sound attenuation. The choice of champions of the Hooters ProCup Stock Car Series. BORLA-powered cars have dominated this series since being allowed in. Recommended by winning race teams and top Hooters Series engine builders alike.

XR-1 Stainless Hooters Series Slim Line Muffler.