Compliment your Polaris Ranger RZR 900S with Gibson Twin Black Ceramic Rear Exit Exhaust. Get an extra increase of 2-4 rear wheel horsepower, 3-5 more foot pounds of torque. With Gibson non-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 breakage, Finished with a set of black Ceramic T-304 Stainless 4-inch intercooled tips. All necessary hardware is included for a complete hassle free bolt on installation. Tested with a decibel reading of 96 db's per the SAEJ 1287 testing procedure. USFS Approved Spark Arrestor