Polaris Xpedition MT Supercharger Kit

130 wheel horsepower on 91 octane, no intercooler to package. The mountain-and-trail kit for the Xpedition.

5 PSI | 130 WHP | 175 crank HP | 91 octane

• Rotrex centrifugal supercharger — progressive boost, factory manners
• Bracket system, drive pulley and belt, charge piping
• Bosch 1000cc injectors and 3-bar MAP sensor
• Secondary clutch helix and spring
• Base tune for 5 PSI on 91 octane
• Fits XP5 and ADV5
• Builder, base (tune + ECU unlock), or complete (adds the flashing device)

Stock is 85 at the wheels. This is 130, on pump gas, with a smooth linear curve you can meter in a rock garden. If you ride sand or want E50, step up to the intercooled kit.

Specs & details

5 PSI | 130 WHP | 175 Crank HP | 91 Octane

This custom supercharger kit is built around a Rotrex centrifugal supercharger, delivering a clean, reliable 5 PSI of boost and producing approximately 130 wheel horsepower (WHP) — up from 85 WHP stock — all while running 91-octane pump gas.

What You Get

• Rotrex centrifugal supercharger unit
• Precision-engineered mounting bracket system
• Drive pulley & belt setup
• Base tuning configuration (5 PSI on 91 octane)
• All necessary installation hardware

Performance

• ~130 WHP at 5 PSI
• 175 HP at the crank
• Strong midrange torque
• Smooth, linear boost curve
• OEM-like drivability with significantly more power

Built for Reliability

• Conservative 5 PSI configuration
• 91-octane pump gas compatible

+61 HP

That’s:

• ~53% increase at the wheels

1. Builder Kit

Includes:

• Rotrex supercharger system
• Brackets, pulleys, belt system
• Installation hardware

2. Base Kit

• ECU unlock service
• Base calibration for 5 PSI

Does NOT include:

• Hardware
• HP Tuners credits

3. Complete Kit

• Rotrex supercharger system
• All mounting hardware
• ECU unlock service
• Base calibration

Everything needed to get up and running with the 5 PSI / 130 WHP setup.

Tuning Information

Once unlocked, we provide the proper 5 PSI base calibration.

Tuning & Operating Specifications

Installer Must Verify:

• Maximum boost level (varies with elevation)
• Intercooler fan operation
• Clutching calibrated to target 8,200–8,400 RPM at peak boost
• Air-Fuel Ratio (AFR) under load

Installation Requirements & Notes

• Professional installation is strongly recommended
• Refer to the Polaris service manual for removal and installation of all OEM components
• Supplied instructions cover supercharger components only

Disclaimer

Install and operate at your own risk.

Sales Policy

• No returns on supercharger kits once shipped
• Merchant processing fees are non-refundable on canceled orders