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The BORLA XR-1 multi-core racing muffler is a universal, reversible design developed for rotary-engine applications but usable on other platforms. Its patented multicore uninterrupted-flow construction and multicore packing are intended to maximize flow and control sound, and it is built from T-304 stainless steel with 100% welded construction and high-temperature packing. The compact race-focused muffler targets high-horsepower, track-oriented use.
Borla XR-1 Multi-Core 4in Ctr-Ctr Round 16in x 6.25in Rotary Engine Equipped Racing Muffler
