The Borla XR-1 Multi-Core Racing Muffler (400372) is engineered for high-performance racing, featuring a patented uninterrupted-flow design and multi-core technology. Designed for rotary engine-equipped vehicles, this muffler outperforms straight pipes in flow efficiency while meeting strict noise regulations.
Key Features:
Patented multi-core technology for superior exhaust flow
Lightweight T-304 stainless steel construction for durability
Straight-through design maximizes performance
Stainless steel sound-absorbing packing reduces burnout risk
Meets strict noise requirements for competitive racing
Ideal for drag and oval track racing applications
The Borla XR-1 Raceline series is trusted by professional racers for its balance of power and sound control. Its all-welded, one-piece design ensures structural integrity under extreme conditions.
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