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This package features an SLP Lightweight Silencer and SLP Power Dome™ Billet Heads that reduces weight by 10 lbs. (11.5 lbs on RMK, RMK Assault and SKS models). It provides an additional 6.2 horsepower and is 4 lengths faster in 3/10ths mile drag race. For optimum performance it also includes a SLP Power Shift™ Clutch Kit.  No fueling changes required. Silencer is compatible with SLP Single Pipe, allowing pipe to be added at a later date. Instruction Sheets:
Axys-Stage 1.5 Learn More

This package features a SLP Single Pipe Set that reduces weight by 13 lbs. (14.5 lbs on RMK, RMK Assault and SKS models). It also provides an additional 9 horsepower increase and is 6.5 lengths faster in 3/10ths mile drag race, +5 mph faster top speed. For optimum performance it also includes a SLP Power Shift™ Clutch Kit. No fueling changes required. Instruction Sheets:
Axys-Stage 2 Learn More

This package features a SLP Single Pipe Set and SLP Power Dome™ Billet Heads and an SLP Reflash Box (for elevations below 5000’ only). This kit reduces weight by 13 lbs. (14.5 lbs on RMK, RMK Assault and SKS models) and provides an additional 12.4 horsepower increase over stock. For optimum performance it also includes a SLP Power Shift™ Clutch Kit. No fueling changes required above 5000’. If running 0-5000' you must run an SLP Reflash Tuner Part #70-800. Instruction Sheets:
Axys-Stage 3 Learn More

Proven, reliable power you’ve been waiting for out of your 800 E-TEC. This kit combines our single pipe set that delivers an additional 7 horsepower with 15 pounds of weight savings with our new High Flow™ Intake kit that brings additional cold air into the intake tract on demand of the engine. These products are combined with our clutch kit that harnesses this additional power and transfers it effectively and efficiently to the ground. No fuel changes required. Instruction Sheets:
800 E-TEC-Stage 2 Learn More

NOTE: Due to the manner the ignition wires attach to the coil on Ski-Doo and Yamaha models, it's very difficult to properly replace the wires. On these models we recommend replacing the plug caps only. *Each universal fit wire is 17 inches long and can be cut to fit. For longer lengths, please inquire. Instruction Sheets:
37-18 37-20 37-23 Universal Learn More

These SLP Power Dome billet heads provide an additional 3 horsepower peak with a much more responsive midrange. They feature interchangeable chambers (Domes) for use in low or high altitudes, and utilize the stock water cover for stock appearance. 
These heads require the use of a DynoJet PCV or PCFC fuel controller with SLP’s pre-programmed Stage 3 kit map. Any other combination of parts will require different fuel mapping in the PCV or PCFC, and the customer will be personally responsible to create their own fuel map. Instruction Sheets:
Head Instructions Learn More

Pink Exhaust Valve Spring - Load: 4.7 lbs @ 1" and 7.1 lbs @ .63"
-Recommended on 2008-10 Polaris 800 CFI models at elevations above 5000'.

Yellow Exhaust Valve Spring - Load: 2.4 lbs @ 1" and 3.6 lbs @ .63"
-Recommended on 2001-05 Polaris 700 and 2002-05 800 Edge/RMK models at elevations above 6000'.

White Exhaust Valve Spring - Load: 1.6 lbs @ 1" and 2.8 lbs @.63" Sold per each. 2 springs required per motor.  Learn More

Required for eliminating oil injection: Crankcase Plate bolts in place of the oil pump. Learn More

Eliminate exhaust leaks with these high tech gaskets. They incorporate spring seal technology to eliminate performance robbing exhaust leaks.

Two gaskets required per engine. Learn More