Gibson 11-13 Polaris Ranger RZR XP 900 Base Dual Exhaust - Black CeramicCompliment your Polaris Ranger RZR XP 900 with Gibson Twin Core Slip on Exhaust. Get an extra increase of 5 6 rear wheel horsepower, 4 5 more foot pounds of torque and 2 3mph. With Gibson on packed mufflers you can guarantee a consistent level of sound and performance quality for the duration of your vehicles lifetime. Utilizing a compression spring fitting allows plenty of movement to handle all types of abuse eliminating the possibilities of