In stock
Regular price $1,244.98
Flashing Stage

Our Patriot Boost performance kit is the best bang for your buck when looking to increase the performance of your snowmobile. This kit includes our lightweight silencer, reflash cable and tune license, and clutch kit.

The RPM Sport Muffler provides a lightweight great sounding muffler that increases throttle response, increases HP an additional 4 HP & Sheds 8.4LBS! All while still retaining the ability to pass the SAE J-2567 stationary test of below 88DB.  This is a great deep sounding mountain muffler that is by no means obnoxious sounding. This muffler retains the use of the factory EGT sensor & is a simple bolt on design and requires on modifications or additional hardware. Unlike others, The exit tip portion of our muffler is DUAL wall construction ensuring rocks and stumps are no match. 
Fits with all RMK Patriot Boost / VR1 Models & Years

  • 4 Horsepower Increase
  • 7.1 LB & Total of 8.5 Lb of Weight Savings!
  • Bolt On & Go
  • Stainless Steel Construction & Fully Tig Welded 
  • Dual Wall Tip
  • Snow Guard Sealing Guard

Clutch Kit:

Our Patriot Boost Clutch Kit is a must when upgrading your sled. Want to put the extra power to the ground, increase belt life, and improve throttle response. Our clutch package offers all that at an affordable price.

Kit includes:

Adjustable Clutch Weights (73-86 grams)

Primary Spring

Secondary Spring

Reflash Cable:

Our custom performance maps for the Patriot 850 Turbo adds additional boost throughout the entire elevation range. We also alter fuel and ignition maps for better throttle response and faster spool times. Dollar for dollar this is by far the best modification you can make to your Patriot Boost!

The Purchase of our Reflash Cable kit and Tune allows access to all Stage Maps we offer! We will continue to revise our maps throughout the year. We *strongly* encourage you to purchase a reflash cable with our performance reflash.

  • Stage 1: 91 Octane +10HP over stock boost output
  • Stage 2: 93 Octane +20HP over stock boost output
  • Stage 3: 50% 100LL 50% 91 +30HP over stock boost output