Borla XR-1 Multi-Core 4in Ctr-Ctr Round 16in x 6-25in Rotary Engine Equipped 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 Rotary Engine Equipped Vehicles - 4" Center Inlet/ 4" Center Outlet 6.25" Round x 16" Long Body 21" Overall Length. Universal Part. Reversible Design.

Borla XR-1 Multi-Core 4in Ctr-Ctr Round 16in x 6.25in Rotary Engine Equipped Racing Muffler

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

XR1 4in. IN/OUT 16in. X 6.25in. DIA MULTICORE (ROTARY ENG.)

XR-1® Stainless Multicore Racing Mufflers

XR-1 Stainless Multicore Racing Mufflers.

Patented Multi-Core Technology

Borla - XR-1 Multi-Core Race

Borla-XR-1 Multi-Core Race

XR-1 Multi-Core Race

Exhaust Muffler

Muffler