BORLA XR-1 Raceline products_zsncarparts1 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_zsncarparts1 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.




Borla Universal XR 1 Multi Core Racing Muffler for Round 3 1 2 IN 3 1 2 Out 16 x 6 1 4
$75.12
BORLA XR-1 Raceline products_zsncarparts1 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_zsncarparts1 are light weight and constructed of high quality austenitic stainless steel...
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