RPM's Sport Muffler lineup includes this beautiful stainless steel tig welded muffler for the RZR XP1000's and RS1's. This is a OEM Replacement slip on style muffler that retains all stock covers and hardware! This Sport Muffler provides a minimum 3HP gain on a stock machine. This is a huge power gainer for tuned machines and is required in our opinion for any machine doing a stage 1 or higher tune! This muffler will bolt to the stock or RPM SxS E-Valve mid pipe. This is such a great sounding muffler that wont leave your ears ringing at the end of the day. Check out our YouTube video's for a great variety of sound clips!