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🚨 STORE-WIDE SALE! ALL ITEMS OVER $500 ARE NOW 10% OFF 🚨

SLP (Starting Line Products)

Starting Line Products (SLP) Snowmobile Performance Parts

Starting Line Products (SLP), established in 1973 in Idaho Falls, Idaho, has been a pioneer in developing high-quality performance parts for snowmobiles and UTVs. With decades of experience, SLP offers a range of products designed to enhance your vehicle's performance and reliability.

Exhaust Systems

SLP's exhaust systems are engineered to increase horsepower and reduce weight, providing noticeable performance improvements. Explore our selection of SLP Exhaust Systems to find the perfect upgrade for your snowmobile.

Clutching Components

Achieve smoother and more responsive acceleration with SLP's high-performance clutch kits and components. Browse our range of SLP Clutching Components to optimize your machine's drivability.

Snowmobile Skis

SLP offers high-performance skis designed for stability, control, and durability. Check out our collection of SLP Snowmobile Skis to enhance your ride's handling and precision.

Suspension Accessories

Improve handling and stability with SLP's suspension components. From advanced suspension kits to durable parts, explore our SLP Suspension Accessories to achieve a more controlled and comfortable ride.

Why Choose SLP?

SLP's commitment to quality and innovation ensures that each product undergoes rigorous testing for performance and durability. By integrating SLP's performance products into your snowmobile, you can experience enhanced power, improved handling, and a more exhilarating ride.

Explore our complete selection of Starting Line Products at West Coast Sledders to elevate your snowmobiling experience.

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SLP Outlaw Twin Pipes Stage 2 - Polaris 850 Matryx RMK/Khaos/Slash
$1,737.16 - $1,737.16
$1,737.16
$1,737.16
$1,737.16 - $1,737.16
$1,737.16

SLP Outlaw Twin Pipes Stage 2 - Polaris 850 Matryx RMK/Khaos/Slash

SLP Outlaw Twin Pipes Stage 2 - Polaris 850 Matryx RMK/Khaos/Slash delivers top-level power gains for Polaris snowmobiles. Built for performance an...

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SLP Outlaw Twin Pipes Stage 1 - Polaris 9R
$4,041.49 - $4,041.49
$4,041.49
$4,041.49
$4,041.49 - $4,041.49
$4,041.49

SLP Outlaw Twin Pipes Stage 1 - Polaris 9R

SLP Outlaw Twin Pipes Stage 1 - Polaris 9R delivers top-level power gains for Polaris snowmobiles. Built for performance and durability.

SLP Outlaw Twin Pipes Stage 1 - Polaris 850 Matryx RMK/Khaos/Slash
$3,222.72 - $3,222.72
$3,222.72
$3,222.72
$3,222.72 - $3,222.72
$3,222.72

SLP Outlaw Twin Pipes Stage 1 - Polaris 850 Matryx RMK/Khaos/Slash

SLP Outlaw Twin Pipes Stage 1 - Polaris 850 Matryx RMK/Khaos/Slash delivers top-level power gains for Polaris snowmobiles. Built for performance an...

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SLP SLP Stage 1.5: for Polaris 650 Matryx RMK - Stage Kits for Snowmobiles
$1,552.80 - $1,552.80
$1,552.80
$1,552.80 - $1,552.80
$1,552.80

SLP Stage 1.5: for Polaris 650 Matryx RMK

Experience significant performance improvements with this Stage 1.5 kit, tailored for the Polaris 650 Matryx RMK. It offers a balance between power...

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SLP SLP Stage 1: for Polaris 600 Axys - Stage Kits for Snowmobiles
$877.05 - $877.05
$877.05
$877.05 - $877.05
$877.05

SLP Stage 1: for Polaris 600 Axys

A comprehensive performance package designed to enhance the power and responsiveness of the Polaris 600 Axys. It includes components that work harm...

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SLP SLP Stage 5 - Hillclimb Edition Kit: for 2013-15 RMK - Stage Kits for Snowmobiles
$3,677.33 - $3,677.33
$3,677.33
$3,677.33 - $3,677.33
$3,677.33

SLP Stage 5 - Hillclimb Edition Kit: for 2013-15 RMK

Slam the door on the competition with this Stage 5 kit for the Polaris 800 Pro.Refined for hillclimb racers by adding a Bully Dog GT with custom SL...

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SLP SLP 2021-24 Yamaha Mountain Max Lightweight Silencer - Exhaust for Snowmobiles
$492.43 - $492.43
$492.43
$492.43 - $492.43
$492.43

SLP 2021-24 Yamaha Mountain Max Lightweight Silencer

This lightweight silencer reduces the overall weight of the snowmobile while providing a deep, throaty exhaust note. It's designed for the 2021-202...

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SLP SLP Heavy Duty Ice Scratcher Kit for Polaris Axys - Intakes and Ventilation for Snowmobiles
$100.93 - $100.93
$100.93
$100.93 - $100.93
$100.93

SLP Heavy Duty Ice Scratcher Kit for Polaris Axys

These ice scratchers prevent hifax wear and overheating on ice or hard-packed snow.Designed for reliable performance..

SLP SLP Tunnel Supports for 2012-24 Arctic Cat M Sleds 153/162 - Bumpers for Snowmobiles
$276.50 - $276.50
$276.50
$276.50 - $276.50
$276.50

SLP Tunnel Supports for 2012-24 Arctic Cat M Sleds 153/162

Add support to your tunnel with these easy-to-install supports..

SLP SLP Aluminum Rear Bumper for 2011-21 Polaris Pro RMK Including Axys - Bumpers for Snowmobiles
$87.43 - $87.43
$87.43
$87.43 - $87.43
$87.43

SLP Aluminum Rear Bumper for 2011-21 Polaris Pro RMK Including Axys

Direct replacement aluminum bumper kit for Polaris Pro RMK with enhanced durability and grip..

SLP SLP Billet Aluminum Pull Rope Handle - Accessories for Snowmobiles
$87.43 - $87.43
$87.43
$87.43 - $87.43
$87.43

SLP Billet Aluminum Pull Rope Handle

Plastic stock pull rope handles are prone to breakage.This billet aluminum handle offers added strength and a custom look with a special notch to m...

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$539.10 - $539.10
$539.10
$539.10
$539.10 - $539.10
$539.10

2022-24 POLARIS 850 BOOST MATRYX LIGHTWEIGHT SILENCER

Give your sled an extra boost in performance! This silencer reduces weight by 6lbs, adds 2 horsepower and provides better throttle response, and de...

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SLP POLARIS 850/9R EXHAUST SILENCER Competition Series Without Cooker MountChrome
SLP POLARIS 850/9R EXHAUST SILENCER With Cooker MountChrome
$484.99 - $484.99
$484.99
$484.99
$484.99 - $484.99
$484.99

POLARIS 850/9R EXHAUST SILENCER

Boost horsepower and performance while bringing out your inner chef. This silencer incorporates a built in bracket that allows you to mount a cooke...

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SLP Mohawk Ski Carbide Runners (Pair) Agrressive Trail/Loose Snow (6" x 60deg Carbide)
SLP Mohawk Ski Carbide Runners (Pair) Trail/Loose Snow (4" x 75deg Carbide)
$229.99 - $229.99
$229.99
$229.99
$229.99 - $229.99
$229.99

Mohawk Ski Carbide ACE Runners (Pair)

SLP Ski Carbide Runners (Pair) are sold separately to be combined with SLP Mohawk Ski Bottoms, Mounting Brackets, Ski Loops, and Ski Bushings as an...

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SLP OPEN TRAIL “TRAIL CHEF” EXHAUST COOKER
Save $27.01 Save $0.00
$137.00
$137.00 - $137.00
$137.00
$109.99
$109.99 - $109.99
$109.99

OPEN TRAIL “TRAIL CHEF” EXHAUST COOKER

The Trail Chef Food Warmer is the perfect companion for any outdoor adventure. Compatible with almost any powersports vehicle, the Trail Chef works...

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$2,922.78 - $2,922.78
$2,922.78
$2,922.78
$2,922.78 - $2,922.78
$2,922.78

SLP Outlaw Twin Pipes - Polaris 9R

SLP Outlaw Twin Pipes - Polaris 9R delivers top-level power gains for Polaris snowmobiles. Built for performance and durability.

SLP Outlaw Twin Pipes - Polaris 850 RMK & SKS 155
$2,612.74 - $2,612.74
$2,612.74
$2,612.74
$2,612.74 - $2,612.74
$2,612.74

SLP Outlaw Twin Pipes - Polaris 850 RMK & SKS 155

SLP Outlaw Twin Pipes - Polaris 850 RMK & SKS 155 delivers top-level power gains for Polaris snowmobiles. Built for performance and durability.

SLP SLP Spring Compressor for 2016-24 Arctic Cat and 2021-24 Yamaha Mountain Max with BOSS Driven Clutch - Clutching for Snowmobiles
$168.43 - $168.43
$168.43
$168.43 - $168.43
$168.43

SLP Spring Compressor for 2016-24 Arctic Cat and 2021-24 Yamaha Mountain Max with BOSS Driven Clutch

Easily compress and change your clutch spring without removal..

SLP SLP 2012 Polaris 600 RMK Lightweight Silencer (Factory Second) - Exhaust for Snowmobiles
$289.93 - $289.93
$289.93
$289.93 - $289.93
$289.93

SLP 2012 Polaris 600 RMK Lightweight Silencer (Factory Second)

A factory second lightweight silencer offering weight reduction and improved exhaust flow for the 2012 Polaris 600 RMK. Despite minor cosmetic impe...

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SLP SLP Lightweight Silencer 2016-22 600 Polaris Axys - Exhaust for Snowmobiles
$492.43 - $492.43
$492.43
$492.43 - $492.43
$492.43

SLP Lightweight Silencer 2016-22 600 Polaris Axys

Replace your stock silencer with this lightweight version for improved performance and weight reduction..

SLP SLP 2012 Polaris 600 RMK Lightweight Silencer - Exhaust for Snowmobiles
$492.43 - $492.43
$492.43
$492.43 - $492.43
$492.43

SLP 2012 Polaris 600 RMK Lightweight Silencer

Replace your stock silencer with this lightweight, high-performance silencer that reduces weight and boosts horsepower..

SLP SLP XLT/XCR 580/600 Head O-Rings - Other for Snowmobiles
$36.86 - $36.86
$36.86
$36.86 - $36.86
$36.86

SLP XLT/XCR 580/600 Head O-Rings

High-quality head O-rings that ensure optimal sealing for the XLT/XCR 580/600 engines. They are manufactured to meet or exceed OEM specifications, ...

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SLP SLP Replacement Roller for Arctic Cat BOSS Secondary - Accessories for Snowmobiles
$46.93 - $46.93
$46.93
$46.93 - $46.93
$46.93

SLP Replacement Roller for Arctic Cat BOSS Secondary

High-performance replacement roller designed to enhance the efficiency of the Arctic Cat BOSS Secondary Clutch. It offers increased rolling resista...

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SLP SLP Tunnel Supports for 2021-24 Yamaha Mountain Max - Bumpers for Snowmobiles
$276.50 - $276.50
$276.50
$276.50 - $276.50
$276.50

SLP Tunnel Supports for 2021-24 Yamaha Mountain Max

Designed for the 2021-2024 Yamaha Mountain Max, these tunnel supports enhance the structural strength of the tunnel. They are straightforward to in...

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