Home RSI - RSI Racing

Bar Pads

Real protection

Shop More

Your Ride - Your Style

Universal Twin Cylinder Fuel Injection Nitrous Kit

Add to wishlist

Compare

Universal Twin Cylinder Fuel Injection 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:160-106

Add to wishlist

Compare

10-32X1/8 Compression

$5.95

CAD: CA$8.12
EUR: €5.48
SEK: 62.88 Skr
NOK: Nkr62.49
GBP: £4.66

In Stock

SKU:NP-123

Add to wishlist

Compare

2.5lb Bottle Bracket With No Mounts

$14.95

CAD: CA$20.40
EUR: €13.76
SEK: 157.99 Skr
NOK: Nkr157.00
GBP: £11.71

In Stock

SKU:NP-119

Add to wishlist

Compare

Ski-doo 600 S.D.I. 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:163-105

Nitrous Oxide Bottle Valve with Siphon Tube

Add to wishlist

Compare

Nitrous Oxide Bottle Valve with Siphon Tube

$119.95

CAD: CA$163.65
EUR: €110.43
SEK: 1,267.59 Skr
NOK: Nkr1,259.70
GBP: £93.98

In Stock

SKU:NP-267

Upgrade your nitrous system with our high-performance, low-profile bottle valve. Designed to deliver precision and reliability, this valve features a built-in siphon tube and compact form factor—perfect for tight installations where space is at a premium.

Key Features:

Low-Profile Design: Fits into tighter spaces with ease, ideal for motorcycles, UTVs, or custom engine bays.
Side-Mounted Control Knob: Offers easy access and convenient operation even in confined setups.
2.5 lb Bottle Compatibility: Specifically designed to fit ¾” nitrous oxide bottles for a secure and reliable seal.
Integrated Siphon Tube: Ensures consistent liquid nitrous delivery for optimal performance.
High Flow Rate: Engineered for rapid delivery with flow rated in grams per second—built to keep up with aggressive power demands.

Add to cart

Ski-doo 800R Carb Nitrous Kit (non-electric start)

Add to wishlist

Compare

Ski-doo 800R Carb Nitrous Kit (non-electric start)

$649.95

CAD: CA$886.77
EUR: €598.34
SEK: 6,868.43 Skr
NOK: Nkr6,825.71
GBP: £509.22

In Stock

SKU:163-108

Add to wishlist

Compare

Yamaha Nytro 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:164-101

Add to wishlist

Compare

1/8 Nitrous Line (per ft.)

$2.95

CAD: CA$4.02
EUR: €2.72
SEK: 31.17 Skr
NOK: Nkr30.98
GBP: £2.31

In Stock

SKU:NP-102

Handguards & Mounts

Extra protection for hard trails.

Shop More

Handguards

RSI STEALTH BRAKE HANDGUARD MOUNT KIT – SEE FITMENT GUIDE

Add to wishlist

Compare

RSI STEALTH BRAKE HANDGUARD MOUNT KIT – SEE FITMENT GUIDE

SKU:H4464$59.95

CAD: CA$81.79
EUR: €55.19
SEK: 633.53 Skr
NOK: Nkr629.59
GBP: £46.97

In Stock

Ski-doo 800 XS E-TEC 137″ Track 0-3000ft Clutch Kit

Add to wishlist

Compare

Ski-doo 800 XS E-TEC 137″ Track 0-3000ft Clutch Kit

$399.95

CAD: CA$545.68
EUR: €368.19
SEK: 4,226.52 Skr
NOK: Nkr4,200.23
GBP: £313.35

In Stock

SKU:121-214

Straightline Performance Ski-Doo REV XP 800R Clutch Kit | 120″ Track | 0-3,000 ft

Add to wishlist

Compare

Straightline Performance Ski-Doo REV XP 800R Clutch Kit | 120″ Track | 0-3,000 ft

$399.95

CAD: CA$545.68
EUR: €368.19
SEK: 4,226.52 Skr
NOK: Nkr4,200.23
GBP: £313.35

In Stock

SKU:121-194

Straightline Performance Ski-Doo XP 800R Clutch Kit w/ SPI Pipe | 120″ Track | 0-3,000 ft

Add to wishlist

Compare

Straightline Performance Ski-Doo XP 800R Clutch Kit w/ SPI Pipe | 120″ Track | 0-3,000 ft

$399.95

CAD: CA$545.68
EUR: €368.19
SEK: 4,226.52 Skr
NOK: Nkr4,200.23
GBP: £313.35

In Stock

SKU:121-195

Straightline Performance Ski-Doo Gen 4 & Gen 5 / Lynx Radien 850 E-TEC On-Trail Performance Clutch Kit | 129-146″ Track

Add to wishlist

Compare

Straightline Performance Ski-Doo Gen 4 & Gen 5 / Lynx Radien 850 E-TEC On-Trail Performance Clutch Kit | 129-146″ Track

$499.95

CAD: CA$682.11
EUR: €460.25
SEK: 5,283.29 Skr
NOK: Nkr5,250.42
GBP: £391.70

In Stock

SKU:121-238

The Straightline Performance 850 E-TEC On-Trail Clutch Kit is specifically designed for Ski-Doo Gen 4, Gen 5, and Lynx Radien models equipped with 129-146 inch tracks. This complete clutching package includes Straightline's proven adjustable P-Drive weight kit, a custom-cut performance helix, both performance-calibrated clutch springs, and adjustable clickers. The result is stronger acceleration, improved throttle response, faster backshift, and enhanced tunability for riders looking to maximize trail performance.

Add to cart

Ski-doo 600 H.O. / S.D.I. W/ STRAIGHTLINE PERFORMANCE Pipe (button secondary RER) 0-3000ft Clutch Kit

Add to wishlist

Compare

Ski-doo 600 H.O. / S.D.I. W/ STRAIGHTLINE PERFORMANCE Pipe (button secondary RER) 0-3000ft Clutch Kit

$399.95

CAD: CA$545.68
EUR: €368.19
SEK: 4,226.52 Skr
NOK: Nkr4,200.23
GBP: £313.35

Out of stock

SKU:121-178

Ski-Doo REV 800 H.O. 121″ track (button secondary) 0-3000ft Clutch Kit

Add to wishlist

Compare

Ski-Doo REV 800 H.O. 121″ track (button secondary) 0-3000ft Clutch Kit

$399.95

CAD: CA$545.68
EUR: €368.19
SEK: 4,226.52 Skr
NOK: Nkr4,200.23
GBP: £313.35

Out of stock

SKU:121-182

Polaris AXYS / Matryx 850 Patriot Performance Y-Pipe Manifold (Polished Ceramic)

Add to wishlist

Compare

Polaris AXYS / Matryx 850 Patriot Performance Y-Pipe Manifold (Polished Ceramic)

$274.95

CAD: CA$375.13
EUR: €253.12
SEK: 2,905.57 Skr
NOK: Nkr2,887.50
GBP: £215.42

In Stock

SKU:132-136

Add to cart

Polaris AXYS 850 Patriot Single Pipe (Ceramic Coated)

Add to wishlist

Compare

Polaris AXYS 850 Patriot Single Pipe (Ceramic Coated)

$674.95

CAD: CA$920.87
EUR: €621.36
SEK: 7,132.62 Skr
NOK: Nkr7,088.26
GBP: £528.81

In Stock

SKU:132-139

Add to cart

Add to wishlist

Compare

Nitrous Oxide Bottle Valve with Siphon Tube

$119.95

CAD: CA$163.65
EUR: €110.43
SEK: 1,267.59 Skr
NOK: Nkr1,259.70
GBP: £93.98

In Stock

SKU:NP-267

Key Features:

Low-Profile Design: Fits into tighter spaces with ease, ideal for motorcycles, UTVs, or custom engine bays.
Side-Mounted Control Knob: Offers easy access and convenient operation even in confined setups.
2.5 lb Bottle Compatibility: Specifically designed to fit ¾” nitrous oxide bottles for a secure and reliable seal.
Integrated Siphon Tube: Ensures consistent liquid nitrous delivery for optimal performance.
High Flow Rate: Engineered for rapid delivery with flow rated in grams per second—built to keep up with aggressive power demands.

Add to cart

Add to wishlist

Compare

Ear Clamp 1/16″

$2.95

CAD: CA$4.02
EUR: €2.72
SEK: 31.17 Skr
NOK: Nkr30.98
GBP: £2.31

In Stock

SKU:NP-250

Add to wishlist

Compare

800R 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:163-110

Add to wishlist

Compare

3/8 X 1/8 Out Tee

$2.95

CAD: CA$4.02
EUR: €2.72
SEK: 31.17 Skr
NOK: Nkr30.98
GBP: £2.31

In Stock

SKU:NP-103

Add to wishlist

Compare

1/8 Nitrous Line (per ft.)

$2.95

CAD: CA$4.02
EUR: €2.72
SEK: 31.17 Skr
NOK: Nkr30.98
GBP: £2.31

In Stock

SKU:NP-102

Add to wishlist

Compare

Ski-doo 500ss / 600 H.O. 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:163-100

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