Polaris Axys RMK 850 Patriot Turbo Kit 2019-2021

There are two options for 2021 Patriot turbo kit, our standard tried and true external wastegate kit as well as an intercooled kit. Most riders running 3-7psi will find the simplicity and cleanliness of the standard kit to suit them. Those looking for the coolest charge temps, highest boost, and best WFO performance, the water to air setup is going to be your ticket!

US Pricing (in US Dollars)

  • Standard External Wastegate Kit:  $3,750
  • External wastegate with water to air intercooler $4,500
  • Deposit is non-refundable (if you chose to go that route)

Buyer Information

  • Every kit comes with a Silber specific turbo map. To obtain this map you must either purchase a reflash cable and reflash it from the comfort of your own home, go to a reflash center (look on our dealer page) or send us your ECU. 
  • If sending in your ECU, please print off this form and include it in the box with your ECU when you send it back to HQ for your reflash! Not sure where to send the ECU? Address is here. 
  • Looking for your user manual or install manual? Check our install manual page.


  • Loooking to finance? Cool! We now offering financing. Check out our financing page here for instructions.
  • See if you prequalify in seconds. Checking your credit score does not effect your score. 

This is our 3rd generation ECU reflash kit and it does not disappoint. If you are looking for stock-like ridability with all the power of a turbo this is your kit. A few things set us apart from the competition.

  • ECU Reflash. No piggyback. We reprogram the stock ECU (don't worry you can flash it back to stock) to take control of the fueling demands for a turbo. This is why our kits run so smoothly across all elevations and riding conditions
  • 2860 Custom Turbo: For certain reasons, we can't go into all the details, but rest assured, our turbo's center section is now built in the USA by one of the biggest turbo manufacturers in the world. 
  • External Wastegate: For the price of the "other guys" internal kit, you get a full TurboSmart external wastegate. This allows for better boost control and easy boost adjustment
  • Easy Install: Our kits install in a matter of hours using common shop tools
  • Everything you need to get on snow: Adjustable Clutching Included!




Type: Unknown Type

Vendor: Silber Turbo

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