Borla XR-1 Multicore racing muffler sized 16" x 4.25" x 7.88" with 3" center inlet/outlet, engineered for rotary engine-equipped vehicles though usable elsewhere. Compact reversible body suits tight installations and features a patented multicore design aimed at maximizing flow and power in high-horsepower applications. Constructed of T-304 stainless steel with fully welded assembly, the XR-1 uses high-temperature acoustic packing for sound control and is built for track-focused durability.
Borla XR-1 Multi-Core 3in Ctr-Ctr Oval 16in x 4.25in x 7.88in Rotary Engine Equipped Racing Muffler