Borla XR-1 Racing Mufflers Winches and advances timing for measurable

and advances timing for measurable gains

maintenance

Product 72738 is verified for correct specifications and dimensional accuracy before shipment

The CHEVY V6 90-DEG MAIN BOLT KIT reinforces the engine's lower end by providing consistent

The TD GGE PYROMTR (EGT) 2 1/16 is an exhaust gas temperature (EGT) pyrometer for monitoring combustion efficiency in real time

Borla XR-1 Racing Mufflers Winches and advances timing for measurableBorla 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