Cat-Back Single Exhaust System, Stainless (Single) Polaris Sportsman XP 550 they give you such a

they give you such a big lift that your RZR needs a frame stiffener to keep from bending its chassis

Softail Rocker C - FXCWC 2011

The Power Vision delivered calibration changes the coding in the ECM to “understand” the wideband signal (from Target Tune) and allows the ECM to accurately achieve the target AFR

Peak Beam Intensity: 83499 cd

Breakdown for Defender 1000R models

Cat-Back Single Exhaust System, Stainless (Single) Polaris Sportsman XP 550 they give you such aGibson Single Side Exhaust is perfect for improved acceleration, maximum hill climbing, towing and passing power. This is our best performing Exhaust System. Exits behind the rear tire. Quieter in the cab than any other Performance Exhaust. Dyno test results show it makes maximum torque and horsepower at low end (1800 to 3000 RPM). Horsepower gains average 18 21 and 20 22lb ft of increase torque. Hassle free, bolt on installation with professional