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Aftermarket Snowmobile Parts

Designed. Developed. Tested.

All Straightline products are designed and developed at our facility in Minnesota, then tested around the world to ensure durability and verify results.

Stage 3
$1,999.95
  • CAD: CA$2,728.65
  • EUR: €1,841.15
  • SEK: 21,134.73 Skr
  • NOK: Nkr21,003.27
  • GBP: £1,566.92
SKU: 143-111

Polaris Boost 850 Turbo ECU Tune – Stage 3 Up to 40+ HP Includes Clutching & Silicone Tube Kit (143-111)

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Stage 2
$1,499.95
  • CAD: CA$2,046.47
  • EUR: €1,380.85
  • SEK: 15,850.92 Skr
  • NOK: Nkr15,752.32
  • GBP: £1,175.18
SKU: 143-110

Polaris Boost 850 Turbo ECU Tune – Stage 2 Up to 40+ HP Includes Clutching & Silicone Tube Kit (143-110)

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Stage 1v4
$899.95
  • CAD: CA$1,227.86
  • EUR: €828.49
  • SEK: 9,510.34 Skr
  • NOK: Nkr9,451.18
  • GBP: £705.09
SKU: 143-109

Polaris Boost 850 Turbo ECU Tune – Stage 1 Up to 40+ HP (143-109)

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141 113v2
$1,449.95
  • CAD: CA$1,978.25
  • EUR: €1,334.82
  • SEK: 15,322.53 Skr
  • NOK: Nkr15,227.23
  • GBP: £1,136.01
SKU: 141-113

Skidoo 850 Turbo Flash (competition edition) – Stage 3 / 205hp Includes Clutch Kit ( 141-113)

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151 130 With Tools
$79.95
  • CAD: CA$109.08
  • EUR: €73.60
  • SEK: 844.88 Skr
  • NOK: Nkr839.63
  • GBP: £62.64
SKU: 151-130

Straightline SeatSaver Pro “Shield your seat. Hold your tools.”

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151 128 Web Photo
Price range: $499.95 through $599.95
  • CAD: CA$499.95 - CA$599.95
  • EUR: €499.95 - €599.95
  • SEK: 499.95 Skr - 599.95 Skr
  • NOK: Nkr499.95 - Nkr599.95
  • GBP: £499.95 - £599.95
SKU:

ATP (All-Terrain Pro) Sled Dolly

Select options This product has multiple variants. The options may be chosen on the product page
124 181 Website Photo
$249.95
  • CAD: CA$341.02
  • EUR: €230.10
  • SEK: 2,641.38 Skr
  • NOK: Nkr2,624.95
  • GBP: £195.83
SKU: 124-181

Arctic Cat Adapt Clutch Adjustable Weight Kit (64g Base Weight – 100g Adjusted Weight)

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132 163 Website Photo
$249.95
  • CAD: CA$341.02
  • EUR: €230.10
  • SEK: 2,641.38 Skr
  • NOK: Nkr2,624.95
  • GBP: £195.83
SKU: 132-163

2022-Current Polaris Boost RaceFlow Wastegate Outlet

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  • BLACK FRIDAY IS HERE! 🚨
The deals you’ve been waiting for are officially LIVE! 🔥🎉 15% OFF STOREWIDE!
Use code BLACKFRIDAY25 at checkout💣 BUT WAIT… IT GETS BETTER!
Get 50% OFF AXYS Front & Rear Bumpers with code AXYS25
Upgrade your sled for HALF the price - ONLY during Black Friday!Shop NOW 👉 www.straightlineperformance.com
These deals won’t last… ready, set, SAVE! 🏁
#straightlineperformance #spi #bumpers #exhaust #performanceproducts #aftermarketproducts #performanceparts #snowmobile #ridewithus
  • Grateful today and every day—for family, friends, and all the moments that make life feel full. From the Straightline Performance Family, we wish you a Happy Thanksgiving! 🧡🍁 #thanksgiving #spifamily #straightlineperformance
  • Take control of your Polaris 850 Boost like never before with Straightline Performance ECU Flash Tunes. 💪🏼Our cutting-edge 7S display tuning system lets you switch between +20, +30, and +40 HP tunes right from your dash.👉🏼 How it works:
⚡️Stop and idle
⚡️Pick your tune from the drop-down menu
⚡️ECU flashes automatically
⚡️Ride away instantly👉🏼 You get: 3 ECU Tunes, Launch Control, Data Acquisition, and more.🚨 Want the full package? Pair your flash with a Straightline clutch kit, silicone intakes, and a high-flow muffler—and feel what real performance is supposed to feel like.🔧 No tools. No waiting. No limits.

Whether you’re trail-cruising on pump gas or ripping the lake on race fuel, Straightline has the setup dialed.

Built by riders. Proven by racers. Trusted everywhere. 🔥Shop the kit here:
https://straightlineperformance.com/shop/snow/performance-kits/polaris-performance-kits/#StraightlinePerformance #PolarisBoost #SnowmobileLife #PerformanceTuning #ECUFlash
  • 🚨Product Highlight Alert 🔥Meet the Arctic Cat Blast Lightweight Ceramic-Coated Muffler; built for riders who want less weight, cooler temps, and cleaner performance. The ceramic finish keeps heat under control while delivering a crisp, refined sound. Small upgrade, big impact.Grab yours and explore our full lineup of performance upgrades at StraightlinePerformance.com — get your sled ready for winter.#straightlineperformance #spi #snowmobiles #exhaust  #performance #aftermarketproduct #performanceparts #blast #arcticcat #ridewithus
  • Today, we pause to remember the courage, sacrifice, and dedication of the men and women who have worn our nation’s uniform.From all of us at Straightline Performance, thank you, veterans, for protecting our freedom; today and every day. ❤️🇺🇸#veteransday #thankyou #spifamily #honoringallwhoserved
  • Great clip from SPI Team Athlete @mike__delaney using our aftermarket performance products out on the trails.Whether you ride backcountry, trail, race or climb hills, we have the aftermarket performance parts you need 💪🏼💥 In search of the best sled products for this season? To check out all our aftermarket performance products, head over to Straightlineperformance.com!#straightlineperformance #spi #performanceproducts #aftermarketproducts #performanceparts #snowmobile #ridewithus
BLACK FRIDAY IS HERE! 🚨
The deals you’ve been waiting for are officially LIVE! 🔥🎉 15% OFF STOREWIDE!
Use code BLACKFRIDAY25 at checkout💣 BUT WAIT… IT GETS BETTER!
Get 50% OFF AXYS Front & Rear Bumpers with code AXYS25
Upgrade your sled for HALF the price - ONLY during Black Friday!Shop NOW 👉 www.straightlineperformance.com
These deals won’t last… ready, set, SAVE! 🏁
#straightlineperformance #spi #bumpers #exhaust #performanceproducts #aftermarketproducts #performanceparts #snowmobile #ridewithus
BLACK FRIDAY IS HERE! 🚨 The deals you’ve been waiting for are officially LIVE! 🔥🎉 15% OFF STOREWIDE! Use code BLACKFRIDAY25 at checkout💣 BUT WAIT… IT GETS BETTER! Get 50% OFF AXYS Front & Rear Bumpers with code AXYS25 Upgrade your sled for HALF the price - ONLY during Black Friday!Shop NOW 👉 www.straightlineperformance.com These deals won’t last… ready, set, SAVE! 🏁 #straightlineperformance #spi #bumpers #exhaust #performanceproducts #aftermarketproducts #performanceparts #snowmobile #ridewithus
2 days ago
View on Instagram |
1/6
Grateful today and every day—for family, friends, and all the moments that make life feel full. From the Straightline Performance Family, we wish you a Happy Thanksgiving! 🧡🍁 #thanksgiving #spifamily #straightlineperformance
Grateful today and every day—for family, friends, and all the moments that make life feel full. From the Straightline Performance Family, we wish you a Happy Thanksgiving! 🧡🍁 #thanksgiving #spifamily #straightlineperformance
3 days ago
View on Instagram |
2/6
Take control of your Polaris 850 Boost like never before with Straightline Performance ECU Flash Tunes. 💪🏼Our cutting-edge 7S display tuning system lets you switch between +20, +30, and +40 HP tunes right from your dash.👉🏼 How it works:
⚡️Stop and idle
⚡️Pick your tune from the drop-down menu
⚡️ECU flashes automatically
⚡️Ride away instantly👉🏼 You get: 3 ECU Tunes, Launch Control, Data Acquisition, and more.🚨 Want the full package? Pair your flash with a Straightline clutch kit, silicone intakes, and a high-flow muffler—and feel what real performance is supposed to feel like.🔧 No tools. No waiting. No limits.

Whether you’re trail-cruising on pump gas or ripping the lake on race fuel, Straightline has the setup dialed.

Built by riders. Proven by racers. Trusted everywhere. 🔥Shop the kit here:
https://straightlineperformance.com/shop/snow/performance-kits/polaris-performance-kits/#StraightlinePerformance #PolarisBoost #SnowmobileLife #PerformanceTuning #ECUFlash
Take control of your Polaris 850 Boost like never before with Straightline Performance ECU Flash Tunes. 💪🏼Our cutting-edge 7S display tuning system lets you switch between +20, +30, and +40 HP tunes right from your dash.👉🏼 How it works:
⚡️Stop and idle
⚡️Pick your tune from the drop-down menu
⚡️ECU flashes automatically
⚡️Ride away instantly👉🏼 You get: 3 ECU Tunes, Launch Control, Data Acquisition, and more.🚨 Want the full package? Pair your flash with a Straightline clutch kit, silicone intakes, and a high-flow muffler—and feel what real performance is supposed to feel like.🔧 No tools. No waiting. No limits.

Whether you’re trail-cruising on pump gas or ripping the lake on race fuel, Straightline has the setup dialed.

Built by riders. Proven by racers. Trusted everywhere. 🔥Shop the kit here:
https://straightlineperformance.com/shop/snow/performance-kits/polaris-performance-kits/#StraightlinePerformance #PolarisBoost #SnowmobileLife #PerformanceTuning #ECUFlash
Take control of your Polaris 850 Boost like never before with Straightline Performance ECU Flash Tunes. 💪🏼Our cutting-edge 7S display tuning system lets you switch between +20, +30, and +40 HP tunes right from your dash.👉🏼 How it works:
⚡️Stop and idle
⚡️Pick your tune from the drop-down menu
⚡️ECU flashes automatically
⚡️Ride away instantly👉🏼 You get: 3 ECU Tunes, Launch Control, Data Acquisition, and more.🚨 Want the full package? Pair your flash with a Straightline clutch kit, silicone intakes, and a high-flow muffler—and feel what real performance is supposed to feel like.🔧 No tools. No waiting. No limits.
 Whether you’re trail-cruising on pump gas or ripping the lake on race fuel, Straightline has the setup dialed. 
Built by riders. Proven by racers. Trusted everywhere. 🔥Shop the kit here:
https://straightlineperformance.com/shop/snow/performance-kits/polaris-performance-kits/#StraightlinePerformance #PolarisBoost #SnowmobileLife #PerformanceTuning #ECUFlash
2 weeks ago
View on Instagram |
3/6
🚨Product Highlight Alert 🔥Meet the Arctic Cat Blast Lightweight Ceramic-Coated Muffler; built for riders who want less weight, cooler temps, and cleaner performance. The ceramic finish keeps heat under control while delivering a crisp, refined sound. Small upgrade, big impact.Grab yours and explore our full lineup of performance upgrades at StraightlinePerformance.com — get your sled ready for winter.#straightlineperformance #spi #snowmobiles #exhaust  #performance #aftermarketproduct #performanceparts #blast #arcticcat #ridewithus
🚨Product Highlight Alert 🔥Meet the Arctic Cat Blast Lightweight Ceramic-Coated Muffler; built for riders who want less weight, cooler temps, and cleaner performance. The ceramic finish keeps heat under control while delivering a crisp, refined sound. Small upgrade, big impact.Grab yours and explore our full lineup of performance upgrades at StraightlinePerformance.com — get your sled ready for winter.#straightlineperformance #spi #snowmobiles #exhaust #performance #aftermarketproduct #performanceparts #blast #arcticcat #ridewithus
2 weeks ago
View on Instagram |
4/6
Today, we pause to remember the courage, sacrifice, and dedication of the men and women who have worn our nation’s uniform.From all of us at Straightline Performance, thank you, veterans, for protecting our freedom; today and every day. ❤️🇺🇸#veteransday #thankyou #spifamily #honoringallwhoserved
Today, we pause to remember the courage, sacrifice, and dedication of the men and women who have worn our nation’s uniform.From all of us at Straightline Performance, thank you, veterans, for protecting our freedom; today and every day. ❤️🇺🇸#veteransday #thankyou #spifamily #honoringallwhoserved
3 weeks ago
View on Instagram |
5/6
Great clip from SPI Team Athlete @mike__delaney using our aftermarket performance products out on the trails.Whether you ride backcountry, trail, race or climb hills, we have the aftermarket performance parts you need 💪🏼💥 In search of the best sled products for this season? To check out all our aftermarket performance products, head over to Straightlineperformance.com!#straightlineperformance #spi #performanceproducts #aftermarketproducts #performanceparts #snowmobile #ridewithus
3 weeks ago
View on Instagram |
6/6

Stage 3
$1,999.95
  • CAD: CA$2,728.65
  • EUR: €1,841.15
  • SEK: 21,134.73 Skr
  • NOK: Nkr21,003.27
  • GBP: £1,566.92
SKU: 143-111

Polaris Boost 850 Turbo ECU Tune – Stage 3 Up to 40+ HP Includes Clutching & Silicone Tube Kit (143-111)

Add to cart
Stage 2
$1,499.95
  • CAD: CA$2,046.47
  • EUR: €1,380.85
  • SEK: 15,850.92 Skr
  • NOK: Nkr15,752.32
  • GBP: £1,175.18
SKU: 143-110

Polaris Boost 850 Turbo ECU Tune – Stage 2 Up to 40+ HP Includes Clutching & Silicone Tube Kit (143-110)

Add to cart
Stage 1v4
$899.95
  • CAD: CA$1,227.86
  • EUR: €828.49
  • SEK: 9,510.34 Skr
  • NOK: Nkr9,451.18
  • GBP: £705.09
SKU: 143-109

Polaris Boost 850 Turbo ECU Tune – Stage 1 Up to 40+ HP (143-109)

Add to cart

Straightline Performance separates itself from the other performance parts manufacturers in the quality, performance, and knowledgeable team members of our products. Every performance product that leaves our facility has been engineered using an extensive development process. This process begins with computer aided design, followed by extensive dyno testing on one of our 3 in house dynamometers, and finally, thorough in-field tuning. This process insures that not only will Straightline Performance products make the machine perform better, but our products will also stand up to tremendous abuse capable with all power sports enthusiasts.  This elite standard of quality has been our key to maintaining thousands of satisfied customers worldwide.

Straightline Performance is a worldwide performance parts manufacturer with distribution partnerships within over 25 countries worldwide. Straightline Performance is capable of designing, developing, testing, and completely manufacturing all of its products in-house.  This sets Straightline performance ahead of many performance companies worldwide.  Being able to control the entire process from start to finish insures a higher quality, and more precise performance product for your power sports vehicle.

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