Borla 1-23 x 8-5 x 5-5 x 4 XR-1 Multi-Core Racing Muffler

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 a straight piece of pipe in repeated testing. XR-1 race products are light weight and constructed of high quality austenitic stainless steel for track-tough durability. They meet the strictest noice requirements and use sound absorbing stainless steel pcking to protect against burnout. Hands down, BORLAs XR-1 Raceline offers the best balance of sound and power.

XR-1? Multi-Core Racing Muffler For Full Bodied Cars - 4" Center Inlet/ 4" Center Outlet 5.5" x 8.5" Oval 23" Long Body 28" Overall Length. Universal Part. Reversible Design.

Patented Multicore design for maximum power. Recommend for high horsepower applications.

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

XR-1® Stainless Multicore Racing Mufflers

XR-1 Stainless Multicore Racing Mufflers.

XR-1 23X8.5X5.5 X4in. MULTICORE

Borla - XR-1 Multi-Core Race

Borla-XR-1 Multi-Core Race

Million Mile Warranty

XR-1 Multi-Core Race

Exhaust Muffler

Muffler