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The Borla XR-1 multi-core racing muffler is built for rotary-engine applications but is universal in fit and reversible for installation flexibility. Its compact, patented multicore design promotes uninterrupted flow and is recommended for high-horsepower use. Constructed from T-304 stainless steel with full welds and CRF acoustic material for controlled sound, it’s made in the USA.
Borla XR-1 Multi-Core 3in Ctr-Ctr Oval 12in x 4.25in x 7.88in Rotary Engine Equipped Racing Muffler
