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Claw your way over the top of any mountain you have guts enough to point up. This Stage 4 kit gives you true “Over the Top” performance for 2018-19 Arctic Cat M8000. With an additional 21.4 horsepower this race inspired kit was originally developed for the RMSHA Hillclimb circuit where it proved to be extremely fast yet durable. This kit combines the SLP Single Pipe Kit, SLP Power Dome™ Head, SLP cylinder porting, V-Force 3 reeds, SLP Powder Valve™ kit, Power Commander V and SLP clutching. This combination not only provides great top end horsepower but throttle response is also incredible, and a firm grip on the bar (or Velcro™ gloves) is mandatory. Cylinders and exhaust valve guillotines, outer exhaust valves and exhaust valve pin must be sent in for modification. This kit is 91 octane pump gas compatible. 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, 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

Unleash the Beast within your 9R with this Outlaw Twin Pipe™Stage 2 Kit. This kit combines Outlaw Twin Pipes™ with Power Dome™ Heads and all the other necessary parts to deliver a powerful one-two punch. If you are looking for the ultimate performance package that provides great throttle response and extrodinary horsepower gains this is the ideal package for you. Kit Includes: Outlaw Twin Pipes™, a Flash Tun'R, Power Shift™ Clutch Kit, Power Dome™ Heads and a Torque Arm. Fuel Requirements: 0-4000': 91 octane pump fuel with 1 oz. of Lucas Octane Booster per gallon of fuel. 4000' and above: 91 octane pump fuel with 1/2 oz. of Lucas Octane Booster per gallon of fuel. Learn More

for 2015-20 Polaris 800 Axys Models Looking for all-out performance out of your 800 Axys? With an impressive 20.6 gain in horsepower and 9.4 ft/lb increase in torque, this kit is sure to satisfy. Instruction Sheets:
Axys-Stage 4 Learn More

Slam the door on the competition with this awesome kit for the Polaris 800 Pro. We took our highly sought after Stage 4 kit and refined it for our competition hillclimb racers by adding a Bully Dog GT with custom SLP map, ceramic coating on the inside of the y-pipe and head domes and competition hillclimb style clutching. This combination provides a quicker revving, more responsive “racing” feel with an extra 100 RPM on top and another 2 lengths in acceleration. It remains compatible with 91 octane pump gas and truly provides Over the Top Performance. 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, 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. Learn More

Finally a performance level worthy of this great, lightweight chassis. The Stage 4 kit adds cylinder porting for incredible horsepower on today’s pump fuel (91 octane minimum). This kit provides a 20.8 horsepower and 11 ft/lbs of torque gain over stock while reducing weight by 5.5 lbs. WOW! In the field from the minute you touch the throttle, you realize just how well this package performs. It provides awesome low end grunt and really legs out on top. The power of the engine is finally mated perfectly with the weight and revolutionary design of the chassis. Order yours today. 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

After sinking your teeth into the 800 C-TEC, are you still hungry for more power? We have the recipe to match your performance appetite. With 16.2 more horsepower, an extremely broad power curve, and up to 19 pounds of weight savings, this package is perfect for popping through tight trees or conquering any hill. All components are bolt-on for ease of installation.   2018-19 Model Kits Include: Single Pipe Set, Power Dome™ Heads, High Flow™ Intake Kit, Power Commander V, Power Shift™ Clutch Kit and V-Force 3 Reeds.   2020-24 Model Kits Inlcude: Single Pipe Set, Power Dome™ Heads, High Flow™ Intake Kit, Power Commander V and Power Shift™ Clutch Kit.   91 Octane Pump Gas Compatible.   Instruction Sheets:
Stage 3 Kit Learn More