Borla XR-1 Racing Mufflers Winches The COMP Cams 11-231-3 COMP

The COMP Cams 11-231-3 COMP Cams Xtreme Energy 4x4 Camshafts is a low-end torque optimized hydraulic roller profile for trucks and SUVs with aggressive ramp rates that maximize cylinder filling at low RPM without sacrificing idle quality

The friction disc uses a premium ceramic-metallic compound rated for 500 ft-lbs of torque—enough for a stock or lightly tuned Cummins

Upgrade your build with the AutoMeter 50105 AutoMeter Gauge Cages at Atech Motorsports

and seats matched to the original Sierra Marine calibration for reliable idle

Borla XR-1 Racing Mufflers Winches The COMP Cams 11-231-3 COMPBorla 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