Borla XR-1 Racing Mufflers Fittings & Hoses The tube-and-fin design features 11

The tube-and-fin design features 11 rows of 1" coolant tubes for maximum surface area

this support shaft is the foundation of a 4L80E that can handle 8-second quarter-mile passes without breaking

Part 96610 is configured for its specific application with attention to fitment requirements

Powdercoat finish provides years of corrosion protection

Compatible with stock and upgraded turbo setups

Borla XR-1 Racing Mufflers Fittings & Hoses The tube-and-fin design features 11Borla 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 1100+ hp where every pound of backpressure