Borla Universal XR-1 Multi-Core Racing Muffler turn14-oos 4L V8 Automatic Transmission 2

4L V8 Automatic Transmission 2 & 4 Wheel Drive All Cab and Bed Configurations

Max gains of 7 hp and 12 lb-ft of torque to the crank

The system is tuned for flow and sound on the turbo four cylinder engine of the GM 1500 trucks

and skip the multi-step fuss of other brands

Borla Universal XR-1 Multi-Core Racing Muffler turn14-oos 4L V8 Automatic Transmission 2Manufacturer Part # : 40741 Market Description XR 1(r) Multi Core Racing Muffler. 4" Center Inlet 4" Center Outlet 6. 25" Round x 16" Long Body 21" Overall Length. Long body design works well on SUV & truck applications but can be used on a wide range of vehicles including rotary engine equipped vehicles. It features BORLA(r)'S patented Multi Core 6 tube design for maximum flow, horsepower, and torque. The Multi Core portion of XR 1(r) mufflers flows