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Ships within 48 hours · Estimated delivery Oct 3 - Oct 8
Product 28834 is verified for correct specifications and dimensional accuracy before shipment
Part 66530 is configured for its specific application with attention to fitment requirements
4" dial face with a clear
While rated for street-driven applications up to 400 HP
0 liters while refining runner shape for superior atomization
Borla XR-1 Racing Mufflers Ignition Coils Product 28834 is verified forBorla XR 1 Racing Mufflers (Mufflers) are purpose built for high horsepower applications where minimizing backpressure is critical. Originally developed for NASCAR and endurance racing the XR 1 uses a straight through design with Borla's patented Multi Core technology to achieve near zero flow restriction while producing a controlled aggressive exhaust note. These mufflers are the choice for builds producing 950+ hp where every pound of backpressure
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