Borla Universal XR-1 Multi-Core Racing Muffler fits_2007-2007`BMW`3 Series BORLA(r) Cat-Back(tm) and Axle-Back exhaust

BORLA(r) Cat-Back(tm) and Axle-Back exhaust systems feature patented straight-through and multi-core technology is designed to unleash hidden horsepower

7L V8 Automatic Transmission 2 & 4 Wheel Drive 2 &4 Door Regular Cab With Standard Bed (6' 4") 120

greater tear strength

in conjunction with the Downpipe-Back exhaust

Borla Universal XR-1 Multi-Core Racing Muffler fits_2007-2007`BMW`3 Series BORLA(r) Cat-Back(tm) and Axle-Back exhaustBorla Universal 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