Transform that stock sounding RZR XP 1000 into a mean beast and let that motor SING at the push of a button with this 2.5" RPM-SxS E-Valve Exhaust!  Not only will it sound great, but you're going to pick up 3 HP on a stock machine. 2.5"'s of free flowing mandrel bent, polished stainless steel all the way back to your stock muffler ( will also bolt to aftermarket mufflers!) The 2.5" E-Valve gives you the option to run a stock muffler, and at the flip of a switch you unleash extra horsepower, 250 more RPM's, and a deep sporty exhaust tone! Switch it back closed and you have a quite stock sounding machine! Unlike some, our dump valve system has a smooth transition from the mid pipe to the valve allowing for the smoothest and free flowing dump valve exhaust on the market. As it passes the valve the exhaust gasses will flow out our signature & beautiful fish tail tip! Our wiring harness is plug and play & usual RPM-SxS has assembled the most complete exhaust system out by including an upgraded exhaust gasket, manifold gasket, & new stainless hardware. In addition to a new gaskets. Loctite for all hardware & heat shields, & zip ties to secure your wiring harness are all included. 
Easy to follow & full color instructions are included. Like all of our exhaust they have a LIFETIME, NO questions asked warranty!
Fits All Models & Years RZR XP 1000 ( non-turbo)  2 & 4 Seat Models 18-22 RS1's
Features: 
- Sport exhaust tone at the flip of a switch
- Extremely lightweight
- Plug & Play Wiring Harness
- Back lit toggle ( Blue )
- 2.5" Exit
- 100% bolt-on installation
- Includes Replacement Gaskets
- Includes Stainless Exhaust Manifold Bolts
- Uses factory O2 sensor
- Adds approximately 3 horsepower 
- Connects to the OEM or aftermarket mufflers that use the stock style mid pipe
