SuperATV Polaris RZR Pro R Rear Differential Frame Stiffener RFS-P-PROR-01 1990-1993 Uses factory style active exhaust

Uses factory style active exhaust valves to retain valve function

the controllers for the AFM/ DFM and NPP valves in the exhaust system should be re-calibrated according to GM Document ID 5406413

Flying through the trails at full speed is a ton of fun

(8) Steel Sleeves

SuperATV Polaris RZR Pro R Rear Differential Frame Stiffener RFS-P-PROR-01 1990-1993 Uses factory style active exhaustYour stock rear differential brackets take a beating. If they crack, you can end up with a ruined rideor worse. Save time, money, and your weekend by upgrading to SuperATVs Polaris RZR Pro R Rear Differential Frame Stiffener. Its nearly twice as strong as stock and reinforces the OEM weak spots, so you can ride with confidence. This rear differential frame stiffener is built with more steel and extra support to handle hard hits and extreme torque