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The Borla XR-1 multi-core racing muffler uses a patented uninterrupted-flow multicore design to maximize flow while controlling sound for drag and oval track use. Constructed from T-304 stainless steel with 100% welded assembly and high-temperature stainless packing, it's compact and reversible for flexible installation. Recommended for high-horsepower applications, XR-1 is built for track-focused durability.
Borla XR-1 Multi-Core 3in Center/Center 16in x 4.25in x 7.88in Oval Racing Muffler
