XR-1(r) Multi-Core Racing Muffler. 4" Center Inlet/ 4" Center Outlet 6.25" Round x 23" Long Body 28" Overall Length. Long body design works well on SUV & truck applications but can be used on a wide range of vehicles including rotary engine equipped vehicles. It features BORLA(r)'S patented Multi-Core 6 tube design for maximum flow, horsepower, and torque. The Multi-Core portion of XR-1(r) mufflers flows better than straight tubing. Recommend for high horsepower applications. Reversible design for installation flexibility. T-304 Stainless steel for superior corrosion resistance. Natural mill finish can be brushed or polished prior to installation. 100% welded construction for strength. High temperature T-304 stainless steel wool packing for sound control. Best of all, it's made in the USA. Just what you’d expect from the world’s most experienced (and most winning) exhaust brand.
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 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.
4" Center Inlet/ 4" Center Outlet 5.5" x 8.5" Oval x 23" Long Body 28" Overall Length
Can be used on a wide range of vehicles including rotary engine equipped vehicles
Multi-Core 6 tube internal design. High temperature SS wool for sound control
Borla 1.23 x 8.5 x 5.5 x 4 XR-1 Multi-Core Racing Muffler
Long body design works well on SUV & truck applications
XR-1® Stainless Multicore Racing Mufflers
Universal muffler. Reversible design.
BORLA XR-1 Multi-Core Muffler
XR-1 Multicore Muffler
Million Mile Warranty
Exhaust Muffler
XR-1 Multi-Core
Muffler
XR-1
