slider image

slider image

slider image

Premium Handlebar Risers

Find the Perfect Handlebar Riser Height for Your Riding Style

FLEX AJUSTABLE PIVOTING RISER – ADJUSTS FROM 5-8′ BLACK W/ MACHINED & LASERED ACCENTS BLACK ANODIZED
Add to wishlist
Compare

FLEX AJUSTABLE PIVOTING RISER – ADJUSTS FROM 5-8′ BLACK W/ MACHINED & LASERED ACCENTS BLACK ANODIZED

SKU:RA-58$179.95
  • CAD: CA$245.52
  • EUR: €165.66
  • SEK: 1,901.64 Skr
  • NOK: Nkr1,889.82
  • GBP: £140.99
Out of stock

Bar Pads

Real protection

Shop More
RSI Small Handlebar Pad
Add to wishlist
Compare

RSI Small Handlebar Pad

SKU:BPS-BLACK$29.95
  • CAD: CA$29.95
  • EUR: €29.95
  • SEK: 29.95 Skr
  • NOK: Nkr29.95
  • GBP: £29.95
In Stock

RSI Large Bar Pad
Add to wishlist
Compare

RSI Large Bar Pad

SKU:BPL$29.95
  • CAD: CA$29.95
  • EUR: €29.95
  • SEK: 29.95 Skr
  • NOK: Nkr29.95
  • GBP: £29.95
In Stock

Your Ride - Your Style

Waterproof Button
Add to wishlist
Compare

Waterproof Button

$29.95
  • CAD: CA$40.86
  • EUR: €27.57
  • SEK: 316.50 Skr
  • NOK: Nkr314.53
  • GBP: £23.47
In Stock
SKU:NP-185
Add to cart
Arctic Cat 800 F/XF/M Complete Nitrous Kit (except catalyst)
Add to wishlist
Compare

Arctic Cat 800 F/XF/M Complete Nitrous Kit (except catalyst)

$674.95
  • CAD: CA$920.87
  • EUR: €621.36
  • SEK: 7,132.62 Skr
  • NOK: Nkr7,088.26
  • GBP: £528.81
In Stock
SKU:161-108
2012-21 Arctic Cat 800 F/XF/M Complete Nitrous Kit
Add to cart
Straightline Performance Arctic Cat 858 Complete Nitrous Kit
Add to wishlist
Compare

Straightline Performance Arctic Cat 858 Complete Nitrous Kit

$674.95
  • CAD: CA$920.87
  • EUR: €621.36
  • SEK: 7,132.62 Skr
  • NOK: Nkr7,088.26
  • GBP: £528.81
In Stock
SKU:161-110
Transform your Arctic Cat 858 into a 200+ horsepower machine with the Straightline Performance Complete Nitrous Kit. Designed exclusively for the 858 platform, this complete bolt-on system delivers an instant 35 horsepower increase while operating on 91-octane pump gas. Engineered for maximum reliability and easy installation, the kit includes everything needed for installation and pairs perfectly with the Straightline Performance Quiet Lightweight Muffler, which is required for proper exhaust flow and peak performance. If you're looking for the biggest horsepower-per-dollar upgrade available for your Arctic Cat 858, this is it.
Add to cart
AN4 45 Degree Braided Nitrous Line Elbow
Add to wishlist
Compare

AN4 45 Degree Braided Nitrous Line Elbow

$5.95
  • CAD: CA$8.12
  • EUR: €5.48
  • SEK: 62.88 Skr
  • NOK: Nkr62.49
  • GBP: £4.66
In Stock
SKU:NP-130
AN4 45 Degree Braided Nitrous Line Elbow
Add to cart
20g Nitrous Nozzle – 40hp Upgrade
Add to wishlist
Compare

20g Nitrous Nozzle – 40hp Upgrade

$224.95
  • CAD: CA$306.91
  • EUR: €207.09
  • SEK: 2,377.19 Skr
  • NOK: Nkr2,362.40
  • GBP: £176.24
In Stock
SKU:160-103
20g Nitrous Nozzle - 40hp Upgrade
Add to cart
Arctic Cat M8/Crossfire 8 Nitrous Kit
Add to wishlist
Compare

Arctic Cat M8/Crossfire 8 Nitrous Kit

$649.95
  • CAD: CA$886.77
  • EUR: €598.34
  • SEK: 6,868.43 Skr
  • NOK: Nkr6,825.71
  • GBP: £509.22
In Stock
SKU:161-104
2007-11 Arctic Cat M8/Crossfire 8 Nitrous Kit
Add to cart
Ski-doo 600 E-TEC Nitrous Kit
Add to wishlist
Compare

Ski-doo 600 E-TEC Nitrous Kit

$649.95
  • CAD: CA$886.77
  • EUR: €598.34
  • SEK: 6,868.43 Skr
  • NOK: Nkr6,825.71
  • GBP: £509.22
In Stock
SKU:163-106
2009-18 Ski-doo 600 E-TEC Nitrous Kit
Add to cart
.020 Orifice Fuel Jet
Add to wishlist
Compare

.020 Orifice Fuel Jet

$14.95
  • CAD: CA$20.40
  • EUR: €13.76
  • SEK: 157.99 Skr
  • NOK: Nkr157.00
  • GBP: £11.71
In Stock
SKU:NP-135
.020 Orifice Fuel Jet
Add to cart

Handguards & Mounts

Extra protection for hard trails.

Shop More

Handguards

RSI “STONEWALL” HANDGAURDS FLEXIBLE, ALL WEATHER HANDGUARDS
Add to wishlist
Compare

RSI “STONEWALL” HANDGAURDS FLEXIBLE, ALL WEATHER HANDGUARDS

SKU:H5000$69.95
  • CAD: CA$95.44
  • EUR: €64.40
  • SEK: 739.21 Skr
  • NOK: Nkr734.61
  • GBP: £54.80
In Stock
Skidoo 850 Rev Gen 5 / Lynx Radien (Shredder Model Only) Carbon Fiber Muffler Stainless Steel
Add to wishlist
Compare

Skidoo 850 Rev Gen 5 / Lynx Radien (Shredder Model Only) Carbon Fiber Muffler Stainless Steel

$499.95
  • CAD: CA$682.11
  • EUR: €460.25
  • SEK: 5,283.29 Skr
  • NOK: Nkr5,250.42
  • GBP: £391.70
In Stock
SKU:134-202
The Straightline Performance Carbon Fiber Muffler for Ski-Doo 850 REV Gen 5 and Lynx Shredder models combines a genuine carbon fiber muffler body with polished stainless steel construction to deliver an incredible 13-pound weight savings. Designed for riders seeking maximum weight reduction, premium styling, and a deep performance sound, this direct bolt-on muffler provides exceptional durability, heat resistance, and industry-leading performance. Carbon fiber mufflers are serviceable and should be inspected and rebuilt periodically based on riding conditions and usage.
Add to cart
Skidoo 600R Rev Gen 5 Lightweight Muffler Ceramic Coated (SAE Compliant Muffler)
Add to wishlist
Compare

Skidoo 600R Rev Gen 5 Lightweight Muffler Ceramic Coated (SAE Compliant Muffler)

$399.95
  • CAD: CA$545.68
  • EUR: €368.19
  • SEK: 4,226.52 Skr
  • NOK: Nkr4,200.23
  • GBP: £313.35
In Stock
SKU:134-206
Straightline Performance's lightweight mufflers are designed for today's noise conscious environments. This Lightweight muffler produces a low, deeper tone while keeping peak and mid-range volume similar to stock. Key Benefits:
  • Reduced Weight: Saves 7.5 lbs over stock for improved efficiency.
  • Low-Decibel Tone: Provides a quieter, trail-friendly sound without sacrificing performance.
  • Stock Performance: Maintains original horsepower for reliable power output.
  • Ease of Maintenance: Improved access under the hood simplifies service tasks.
  • Durable Ceramic Coating: Enhances longevity and heat resistance.
Add to cart
Ski-Doo 600R REV Gen 4 Ultra-Light Muffler (Polished Stainless Steel)
Add to wishlist
Compare

Ski-Doo 600R REV Gen 4 Ultra-Light Muffler (Polished Stainless Steel)

$399.95
  • CAD: CA$545.68
  • EUR: €368.19
  • SEK: 4,226.52 Skr
  • NOK: Nkr4,200.23
  • GBP: £313.35
In Stock
SKU:134-210
The Straightline Performance Ski-Doo 600R REV Gen 4 Ultra-Light Muffler is a fully polished stainless steel exhaust upgrade that removes an incredible 11.5 pounds from your sled. Dyno tested, field proven, and precision TIG welded, this direct bolt-on muffler improves handling, throttle response, and overall performance without requiring clutching, fuel, or ECU changes. Designed specifically for REV Gen 4 600R E-TEC models, it delivers maximum weight savings with premium fit and finish.
Add to cart
POWER COMMANDER 6 FOR POLARIS 800 AXYS Part # PC6-19032
Add to wishlist
Compare

POWER COMMANDER 6 FOR POLARIS 800 AXYS Part # PC6-19032

$503.99
  • CAD: CA$687.62
  • EUR: €463.97
  • SEK: 5,325.98 Skr
  • NOK: Nkr5,292.85
  • GBP: £394.87
In Stock
SKU:19-032
Dynojet Powercommander PCV Part # PC6-19032
Add to cart
Straightline Performance Polaris 850 Matryx Trail Boost Clutch Kit
Add to wishlist
Compare

Straightline Performance Polaris 850 Matryx Trail Boost Clutch Kit

$499.95
  • CAD: CA$682.11
  • EUR: €460.25
  • SEK: 5,283.29 Skr
  • NOK: Nkr5,250.42
  • GBP: £391.70
In Stock
SKU:123-170
The Straightline Performance Polaris 850 Matryx Trail Boost Clutch Kit is engineered to deliver maximum trail performance from your turbocharged Polaris. Featuring premium adjustable billet P22 weights, a custom-machined performance helix, and two carefully calibrated clutch springs, this complete package improves acceleration, throttle response, backshift, RPM control, and overall clutch efficiency for aggressive trail riding.
Add to cart
Straightline Performance Polaris Matryx RMK Boost High Elevation Mountain Clutch Kit | 6,000+ ft
Add to wishlist
Compare

Straightline Performance Polaris Matryx RMK Boost High Elevation Mountain Clutch Kit | 6,000+ ft

$499.95
  • CAD: CA$682.11
  • EUR: €460.25
  • SEK: 5,283.29 Skr
  • NOK: Nkr5,250.42
  • GBP: £391.70
In Stock
SKU:123-162
The most tunable and precise kit on the market for your Polaris Boost. Comes complete with Straightline's premier weight tuning kit that uses set screws and washers for a more precise tuning.  The kits comes complete with a very precise baseline that rarely needs to be changed.
Add to cart
Straightline Performance Polaris RMK / SKS / Assault 850 Low Elevation Boondocking Clutch Kit | 0-3,000 ft | Stock Exhaust
Add to wishlist
Compare

Straightline Performance Polaris RMK / SKS / Assault 850 Low Elevation Boondocking Clutch Kit | 0-3,000 ft | Stock Exhaust

$499.95
  • CAD: CA$682.11
  • EUR: €460.25
  • SEK: 5,283.29 Skr
  • NOK: Nkr5,250.42
  • GBP: £391.70
In Stock
SKU:123-160
The Straightline Performance Polaris RMK, SKS, and Assault 850 Low Elevation Boondocking Clutch Kit is engineered specifically for stock exhaust machines operating between sea level and 3,000 feet elevation. Featuring Straightline's proven fully adjustable weight kit, two custom-calibrated clutch springs, and a custom-designed helix, this complete package delivers stronger acceleration, improved throttle response, quicker backshift, and superior deep snow performance for technical backcountry riding.
Add to cart
Yamaha Mountain Max Clutch Kit with adjustable weights. 0-3000ft Boondocking Clutch Kit (with Team Clutches)
Add to wishlist
Compare

Yamaha Mountain Max Clutch Kit with adjustable weights. 0-3000ft Boondocking Clutch Kit (with Team Clutches)

$499.95
  • CAD: CA$682.11
  • EUR: €460.25
  • SEK: 5,283.29 Skr
  • NOK: Nkr5,250.42
  • GBP: £391.70
In Stock
SKU:122-110
Add to cart
4ANX1/8 NPT Nitrous Filter
Add to wishlist
Compare

4ANX1/8 NPT Nitrous Filter

$14.95
  • CAD: CA$20.40
  • EUR: €13.76
  • SEK: 157.99 Skr
  • NOK: Nkr157.00
  • GBP: £11.71
In Stock
SKU:NP-133
4ANX1/8 NPT Nitrous Filter
Add to cart
Arctic Cat F8/F1000 Nitrous Kit
Add to wishlist
Compare

Arctic Cat F8/F1000 Nitrous Kit

$674.95
  • CAD: CA$920.87
  • EUR: €621.36
  • SEK: 7,132.62 Skr
  • NOK: Nkr7,088.26
  • GBP: £528.81
In Stock
SKU:161-101
2007-10 Arctic Cat F8/F1000 Nitrous Kit
Add to cart
5/16 Compression Fitting
Add to wishlist
Compare

5/16 Compression Fitting

$7.95
  • CAD: CA$10.85
  • EUR: €7.32
  • SEK: 84.01 Skr
  • NOK: Nkr83.49
  • GBP: £6.23
In Stock
SKU:NP-125
5/16 Compression Fitting
Add to cart
Straightline Performance Harley-Davidson® V-Twin Complete Nitrous Kit
Add to wishlist
Compare

Straightline Performance Harley-Davidson® V-Twin Complete Nitrous Kit

$674.95
  • CAD: CA$920.87
  • EUR: €621.36
  • SEK: 7,132.62 Skr
  • NOK: Nkr7,088.26
  • GBP: £528.81
In Stock
SKU:258-106
The Straightline Performance Harley-Davidson® V-Twin Complete Nitrous Kit is a complete plug-and-play performance system that delivers an instant 40 horsepower gain while running safely on 91-octane pump gas. Featuring the patented Controlled Holtzman Nitrous Nozzle, this advanced system provides consistent horsepower regardless of bottle pressure, eliminating the need for bottle heaters, CO₂ pressure systems, or constant pressure management. Designed for clean installation on most Harley-Davidson® touring models and V-Twins, the bottle mounts discreetly inside the rear saddlebag and can be activated using the included momentary button or the factory horn button with an optional bypass switch. It's the easiest, most reliable way to unleash instant V-Twin performance.
Add to cart
Arctic Cat 800 F/XF/M Complete Nitrous Kit (except catalyst)
Add to wishlist
Compare

Arctic Cat 800 F/XF/M Complete Nitrous Kit (except catalyst)

$674.95
  • CAD: CA$920.87
  • EUR: €621.36
  • SEK: 7,132.62 Skr
  • NOK: Nkr7,088.26
  • GBP: £528.81
In Stock
SKU:161-108
2012-21 Arctic Cat 800 F/XF/M Complete Nitrous Kit
Add to cart
Nitrous Jet 25 Grams Per Second
Add to wishlist
Compare

Nitrous Jet 25 Grams Per Second

$224.95
  • CAD: CA$306.91
  • EUR: €207.09
  • SEK: 2,377.19 Skr
  • NOK: Nkr2,362.40
  • GBP: £176.24
In Stock
SKU:NP-195
Nitrous Jet 25 Grams Per Second
Add to cart
Ski-doo 1200 4-TEC Nitrous Kit
Add to wishlist
Compare

Ski-doo 1200 4-TEC Nitrous Kit

$649.95
  • CAD: CA$886.77
  • EUR: €598.34
  • SEK: 6,868.43 Skr
  • NOK: Nkr6,825.71
  • GBP: £509.22
In Stock
SKU:163-109
2009-18 Ski-doo 1200 4-TEC Nitrous Kit
Add to cart
10-32 Coupling Nut
Add to wishlist
Compare

10-32 Coupling Nut

$2.95
  • CAD: CA$4.02
  • EUR: €2.72
  • SEK: 31.17 Skr
  • NOK: Nkr30.98
  • GBP: £2.31
In Stock
SKU:NP-124
10-32 Coupling Nut
Add to cart

Tools

Shop More
Straightline Performance Complete Ski-Doo & Lynx 900 Turbo P-Drive / QRS Service Tool Kit
Add to wishlist
Compare

Straightline Performance Complete Ski-Doo & Lynx 900 Turbo P-Drive / QRS Service Tool Kit

SKU:151-124$429.95
  • CAD: CA$586.61
  • EUR: €395.81
  • SEK: 4,543.55 Skr
  • NOK: Nkr4,515.29
  • GBP: £336.86
In Stock

Straightline Performance Universal Clutch Alignment Bar

Straightline Performance Universal Clutch Alignment Bar

SKU:151-102$89.95
  • CAD: CA$122.72
  • EUR: €82.81
  • SEK: 950.56 Skr
  • NOK: Nkr944.65
  • GBP: £70.47
:
:
:

REPLACEMENT TIP for QRS Helix Removal Tool (151-106)

REPLACEMENT TIP for QRS Helix Removal Tool (151-106)

SKU:151-110$9.99
  • CAD: CA$13.63
  • EUR: €9.20
  • SEK: 105.57 Skr
  • NOK: Nkr104.91
  • GBP: £7.83
:
:
:

Straightline Performance Complete Ski-Doo & Lynx 900 Turbo P-Drive / QRS Service Tool Kit

Straightline Performance Complete Ski-Doo & Lynx 900 Turbo P-Drive / QRS Service Tool Kit

SKU:151-124$429.95
  • CAD: CA$586.61
  • EUR: €395.81
  • SEK: 4,543.55 Skr
  • NOK: Nkr4,515.29
  • GBP: £336.86
:
:
:

Straightline Performance Universal Spring Puller
Add to wishlist
Compare

Straightline Performance Universal Spring Puller

SKU:151-105$24.95
  • CAD: CA$34.04
  • EUR: €22.97
  • SEK: 263.66 Skr
  • NOK: Nkr262.02
  • GBP: £19.55
In Stock

Need Help?

Contact

Reach out with your inquire.

Sponsorship and Racer Support

Ambassador and Sponsorship Application

Our Company

Our History
 Dealers
 Straightline Youtube
 RSI Racing Youtube
 Shop Talk
 News

Quick Links

Contact Us
 International Clients
 Shipping Info/Map
 Return Policy
 Warranty (PDF)
 Map Pricing (PDF)
 Legal
 Performance Disclaimer
 Proposition 65 Information
 Instructions Search
 Resources
 Straightline Logos
  • USA Craftmanship
  • Ready To Ship

Copyright 2026 © RSI Racing

payment
RSI Racing
Main Menu Category Menu CONTACT DETAILS

Copyright 2026 © RSI Racing

What part are you looking for?