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SLP (Produits de la gamme de départ)

Starting Line Products propose des pièces de rechange haut de gamme adaptées aux passionnés de motoneige. Améliorez les performances de votre motoneige avec notre gamme haut de gamme de pièces de rechange SLP, notamment des échappements de motoneige, des skis de motoneige et des kits d'embrayage de motoneige. Méticuleusement conçus pour une fonctionnalité et une durabilité optimales. Explorez notre vaste catalogue pour améliorer votre expérience de motoneige et conquérir le terrain hivernal en toute confiance. Faites confiance à SLP pour des solutions de pointe qui privilégient la sécurité, la puissance et la précision à chaque trajet.

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

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

SLP
$ 3,749.99 - $ 3,749.99
$ 3,749.99
$ 3,749.99
$ 3,749.99 - $ 3,749.99
$ 3,749.99

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

SLP Outlaw Twin Pipes Stage 1 - Polaris 9R

SLP
$ 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 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

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

SLP
$ 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 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

SLP Stage 1.5: for Polaris 650 Matryx RMK

SLP
$ 1,552.80 - $ 1,552.80
$ 1,552.80
$ 1,552.80 - $ 1,552.80
$ 1,552.80

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

SLP Stage 1: for Polaris 600 Axys

SLP
$ 877.05 - $ 877.05
$ 877.05
$ 877.05 - $ 877.05
$ 877.05

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

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

SLP
$ 3,677.33 - $ 3,677.33
$ 3,677.33
$ 3,677.33 - $ 3,677.33
$ 3,677.33

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
Épuisé

SLP 2021-24 Yamaha Mountain Max Lightweight Silencer

SLP
$ 492.43 - $ 492.43
$ 492.43
$ 492.43 - $ 492.43
$ 492.43

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
Épuisé

SLP Heavy Duty Ice Scratcher Kit for Polaris Axys

SLP
$ 100.93 - $ 100.93
$ 100.93
$ 100.93 - $ 100.93
$ 100.93

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

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

SLP
$ 276.50 - $ 276.50
$ 276.50
$ 276.50 - $ 276.50
$ 276.50

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
Épuisé

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

SLP
$ 87.43 - $ 87.43
$ 87.43
$ 87.43 - $ 87.43
$ 87.43

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

SLP SLP Billet Aluminum Pull Rope Handle - Accessories for Snowmobiles
Épuisé

SLP Billet Aluminum Pull Rope Handle

SLP
$ 87.43 - $ 87.43
$ 87.43
$ 87.43 - $ 87.43
$ 87.43

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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Épuisé

SILENCIEUX LÉGER POLARIS 850 BOOST MATRYX 2022-24

SLP
$ 539.10 - $ 539.10
$ 539.10
$ 539.10
$ 539.10 - $ 539.10
$ 539.10

Donnez à votre motoneige un coup de pouce supplémentaire en termes de performances ! Ce silencieux réduit le poids de 6 lb, ajoute 2 chevaux et of...

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SLP POLARIS 850/9R EXHAUST SILENCER Competition Series Without Cooker MountChrome
SLP POLARIS 850/9R EXHAUST SILENCER With Cooker MountChrome
Épuisé

SILENCIEUX D'ÉCHAPPEMENT POLARIS 850/9R

SLP
$ 484.99 - $ 484.99
$ 484.99
$ 484.99
$ 484.99 - $ 484.99
$ 484.99

Augmentez la puissance et les performances tout en faisant ressortir le chef qui sommeille en vous. Ce silencieux intègre un support intégré qui v...

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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)
Épuisé

Patins de ski en carbure Mohawk (paire)

SLP
$ 229.99 - $ 229.99
$ 229.99
$ 229.99
$ 229.99 - $ 229.99
$ 229.99

Les patins en carbure de ski SLP (paire) sont vendus séparément pour être combinés avec les semelles de ski SLP Mohawk, les supports de montage, le...

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SLP OPEN TRAIL “TRAIL CHEF” EXHAUST COOKER
Épuisé

CUISINIÈRE À ÉVACUATION OUVERTE « TRAIL CHEF »

SLP
$ 137.00
$ 137.00 - $ 137.00
$ 137.00
$ 109.99
$ 109.99 - $ 109.99
$ 109.99

Le réchaud Trail Chef est le compagnon idéal pour toute aventure en plein air. Compatible avec presque tous les véhicules de sports motorisés, le T...

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SLP Outlaw Twin Pipes - Polaris 9R

SLP
$ 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 delivers top-level power gains for Polaris snowmobiles. Built for performance and durability.

SLP Outlaw Twin Pipes - Polaris 850 RMK & SKS 155

SLP Outlaw Twin Pipes - Polaris 850 RMK & SKS 155

SLP
$ 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 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

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

SLP
$ 168.43 - $ 168.43
$ 168.43
$ 168.43 - $ 168.43
$ 168.43

Easily compress and change your clutch spring without removal..

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

SLP 2012 Polaris 600 RMK Lightweight Silencer (Factory Second)

SLP
$ 289.93 - $ 289.93
$ 289.93
$ 289.93 - $ 289.93
$ 289.93

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

SLP Lightweight Silencer 2016-22 600 Polaris Axys

SLP
$ 492.43 - $ 492.43
$ 492.43
$ 492.43 - $ 492.43
$ 492.43

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
Épuisé

SLP 2012 Polaris 600 RMK Lightweight Silencer

SLP
$ 492.43 - $ 492.43
$ 492.43
$ 492.43 - $ 492.43
$ 492.43

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

SLP XLT/XCR 580/600 Head O-Rings

SLP
$ 36.86 - $ 36.86
$ 36.86
$ 36.86 - $ 36.86
$ 36.86

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

SLP Replacement Roller for Arctic Cat BOSS Secondary

SLP
$ 46.93 - $ 46.93
$ 46.93
$ 46.93 - $ 46.93
$ 46.93

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

SLP Tunnel Supports for 2021-24 Yamaha Mountain Max

SLP
$ 276.50 - $ 276.50
$ 276.50
$ 276.50 - $ 276.50
$ 276.50

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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SLP – Built for Riders Who Want More Power, More Control & More Mountain

Starting Line Products (SLP) has been pushing snowmobile performance forward since 1973. Born in Idaho Falls and tested in some of the harshest mountain terrain in North America, SLP builds real performance parts for riders who refuse to settle for stock. If you want harder pull, cleaner throttle response, quicker backshift and more precise handling in the steep-and-deep — SLP is the upgrade.

At West Coast Sledders, we carry a full lineup of SLP performance products designed to make your sled hit harder, climb higher and stay consistent in technical terrain. From power-building exhaust systems to razor-sharp skis and clutching that reacts instantly when you crack the throttle — SLP gives you the edge when the mountain gets real.

Why Hardcore Riders Choose SLP

  • Max Power Gains – Exhausts engineered for real horsepower, not just sound.
  • Dialed Clutching – Instant engagement, smoother revs, and spot-on RPM control at altitude.
  • Laser-Precise Skis – Better lift in deep snow, stronger hold on off-camber climbs, and no more unpredictable darting.
  • Stability in the Gnarly Stuff – Suspension and handling upgrades that keep your sled planted when it matters.
  • Race-Proven Reliability – Tested by real mountain athletes, racers, and backcountry chargers who ride hard every day.

SLP Performance Categories

  • SLP Exhaust Systems – Lighter, louder (in all the right ways), and built for massive mid-range power.
  • SLP Clutch Kits & Components – Springs, helixes, weights and full kits tuned for deep-snow acceleration.
  • SLP Snowmobile Skis – More control, more stability, more confidence in steep, technical terrain.
  • SLP Suspension & Handling – Upgrades that keep your sled predictable when you’re sidehilling through chaos.
  • SLP Intake & Venting – Cooler temps, cleaner airflow, and stronger consistency at altitude.

If you’re riding big mountains, tight trees, cliff bands or deep pow zones — stock isn’t enough. SLP unlocks your sled’s full potential so you can ride harder, deeper and faster with total confidence.

Optimized for BC, Alberta & Big-Mountain Riding

West Coast Sledders carries SLP upgrades for Polaris, Ski-Doo, Lynx, Arctic Cat and Yamaha. Whether you ride Revy, Whistler, Sicamous, Valemount, McBride or the local zone — we’ll help you build a sled that hits exactly the way you want it to.

SLP Performance FAQ

How much performance will an SLP exhaust add?

Most SLP exhaust systems deliver noticeable horsepower gains and major weight savings. You’ll feel stronger pull in the mid-range, cleaner throttle response, and more consistent performance at elevation.

Is SLP clutching worth it for mountain riding?

100%. SLP clutching gives you instant bite when you stab the throttle, smoother backshift on climbs, better belt life and more predictable RPM control in deep snow. It’s one of the best upgrades you can make.

What makes SLP skis better for aggressive riding?

SLP skis offer insane stability and precise steering. Whether you’re threading trees or dropping into steep lines, they reduce unpredictable darting and give you stronger edge hold and flotation.

Do I need suspension upgrades with SLP performance parts?

If you ride fast, heavy or technical terrain, yes. SLP suspension components tighten your sled’s handling, reduce body roll, and help maintain traction in nasty conditions. It’s a game changer for technical riders.

Are SLP parts easy to install?

Exhaust and intake kits are straightforward. Clutching may require tuning knowledge, but anyone mechanically inclined can install SLP parts. If you need help, West Coast Sledders can point you toward trusted installers.

Do you ship SLP products across Canada and the U.S.?

Yes. We ship SLP performance parts across Canada—BC, Alberta, Saskatchewan—and to select U.S. regions. Shipping options vary by location and product size.