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Give your 850 Polaris that extra snap and horsepower you’ve been looking for. The Stage 1 kit includes a lightweight silencer which provides 7.7 pounds of weight savings, a crisp sound with improved horsepower and performance. It also features an SLP Clutch kit for better power transfer to the ground, this combination is 2 lengths quicker than stock. Competition or PicNic'R Style Silencers can be subbed on any stage kit please inquire. Instruction Sheets:
SKS/RMK Swtichback Assault, Indy and Rush Learn More

This is an incredible kit for the 850 Patriot engine. At the heart of this kit resides the all new SLP Power Dome billet head set that boasts a phenomenal 6 horse peak gain with an additional 5 to 7 horsepower midrange. Combined with the SLP lightweight silencer for a total peak gain of 7.8 horsepower, this kit really packs a punch. Weight is also reduced by 7.7 pounds. An SLP Power Shift™ Clutch kit puts the extra horsepower efficiently to the ground. All of this on 91 octane fuel with stock fuel management, this kit delivers great performance in an easy to install, hassle free package. Instruction Sheets:
SKS/RMK Swtichback Assault, Indy and Rush Learn More

Outlaw Twin Pipes™ Stage 1: for 2019-22 Polaris 850 RMK and SKS(155)   Kit includes; SLP Twin Pipe Set, Flash Tuner, Power Shift™ Clutch Kit, High Flow™ Intake Kit, Hot Air Elimination™ Kit and Torque Arm. Instruction Sheets:
09-816 Learn More

For those of you who love naturally aspirated power for its responsive nature and lightweight feel, but want to take it up to the next level of performance, we have developed this Stage 3 kit just for you. This kit utilizes a head modification and special port timing changes to increase the combustion efficiency of this engine and provide incredible throttle response and more top end power. These modifications are used in conjunction with the ever popular SLP single pipe, Powder Valve™ Intake Kit and Power Shift™ Clutch Kit. This kit is only available for elevations 5000’ and higher. Please contact us for more information.
Stock cylinders, exhaust valve assemblied and head must be sent in for modification. Learn More

For those of you who love naturally aspirated power for its responsive nature and lightweight feel, but want to take it up to the next level of performance, we have developed this Stage 3 kit just for you. This kit utilizes a head modification and special port timing changes to increase the combustion efficiency of this engine and provide incredible throttle response and more top end power. These modifications are used in conjunction with the ever popular SLP single pipe, Powder Valve™ Intake Kit and Power Shift™ Clutch Kit. This kit is only available for elevations 5000’ and higher. Please contact us for more information.
Stock cylinders, exhaust valve assemblied and head must be sent in for modification.

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The toughest Outlaw on snow just got tougher and meaner! SLP Outlaw Stage 2 Kit combines the 17 horsepower delivered from our Outlaw Twin Pipes with the phenomenal 5-7 horsepower mid-range and 6 horsepower peak performance of SLP Power Dome Billet Heads for a fierce combination. This added performance and instantaneous throttle response makes this kit ideal for the ultimate performance seeker. Kit also utilizes a Flash Tuner, Power Shift Clutch Kit, High Flow Intake Kit, Hot Air Elimination Kit and a Torque Arm. Reduces weight by 6 pounds. Fuel Requirements: For elevations 0-4000’: 1 gallon of aviation or race fuel per 4 gallons of 91 octane pump fuel. For elevations 4000’ and above: 91 octane pump fuel with 1 oz of Lucas Octane Booster per gallon of fuel. Instruction Sheets:
Outlaw Stage 2 Learn More

Outlaw Twin Pipes™ Stage 1: for 2022 Polaris 850 RMK, Khaos and Slash   Kit includes; SLP Twin Pipe Set, Flash Tuner, Power Shift™ Clutch Kit, Powder Valve™ Intake Kit and Torque Arm. Outlaw Twin Pipes™ Stage 1: for 2023-26 Polaris 850 RMK, Khaos and Slash   Kit includes; SLP Twin Pipe Set, Flash Tuner, Power Shift™ Clutch Kit and Torque Arm. Learn More

The toughest Outlaw on snow just got tougher and meaner! SLP Outlaw Stage 2 Kit combines the 17 horsepower delivered from our Outlaw Twin Pipes with the phenomenal 5-7 horsepower mid-range and 6 horsepower peak performance of SLP Power Dome Billet Heads for a fierce combination. This added performance and instantaneous throttle response makes this kit ideal for the ultimate performance seeker. Kit also utilizes a Flash Tuner, Power Shift Clutch Kit and a Torque Arm. 2022 Models come with Powder Valve™ Intake KitReduces weight by 6 pounds. Fuel Requirements: For elevations 0-4000’: 1 gallon of aviation or race fuel per 4 gallons of 91 octane pump fuel. For elevations 4000’ and above: 91 octane pump fuel with 1 oz of Lucas Octane Booster per gallon of fuel. Learn More

This silencer reduces weight by 7.7 lbs while utilizing the latest silencing technology for optimum performance and sound. It provides an extra 2 horsepower while maintaining a sound level below 88 decibels. Instruction Sheets:
09-333 Learn More