2022-2026 Polaris Patriot Boost 850 RMK / VR1 / Assault Performance Products & Parts | Speedwerx, Inc.
For tech info, dyno tests, and videos, check out the product pages below or click here - Technical Information & Videos
Update Feb 2024: Speedwerx Tunes and Mufflers Tested at DynoTech Research!
To see the full article from DTR CLICK HERE

Boost VR1 Low Elevation Calibration
- Stock Tune: 185.2 hp with Stock Muffler Mod
- Stage 2 - 91 Non-Oxy Pump Gas ECU Tune: 200.1 hp with Stock Muffler Mod / 200.0 hp with Std Lightweight Muffler
- Stage 2.5 - 91 Non-Oxy Pump Gas ECU Tune: 210.6 hp with Stock Muffler Mod / 212.4 hp with Std Lightweight Muffler / 213.6 hp with L2 Muffler
- Stage 4 - 110+ Octane Race Gas ECU Tune: 259.0 hp with L2 Muffler
- Cold Air High Flow Intake Kit // 2023-2026 Polaris 850 Patriot Boost VR1 / Assault Models$199.95sku:POL850T-HFI-2
More Air = More Power! Our Cold Air High Flow Intake Kit replaces the stock rubber hose with a rigid aluminum tube that also draws cold air from an additional exterior vent in the hood for even more air flow.
Learn MoreOut of stock - Lightweight Oil Tank- 1QT // 2022-2026 Polaris Matryx Chassis 650/850/9R/Boost Models$199.95sku:POL850T-OT
The race-inspired Speedwerx Lightweight Aluminum Oil Tank for Polaris Matryx chassis models will save you up to 6.15 lbs.
Learn More - Speedwerx Hypershift Aggressive Profile Adjustable Clutch Weights // Polaris P-85$194.70sku:PCW-79-3
Our new Hypershift 10 Series Dual Adjustable weights for the P-85 clutch will replace many sets of standard weights!
Learn More - Billet Aluminum Primary Clutch Cover // Polaris P-22 - Boost / 9R Models$189.95sku:BCC-P22
These covers are not just for looks! They do look sweet but we built them with a purpose on top of that. These covers are stronger than stock and have features that help reduce flexing and fatigue over time.
Learn More - Stock Muffler Mod // 2022-2026 Polaris 850 Patriot Boost VR1 / Assault / RMK$189.95sku:POL850TM-SMM
This modification to the stock muffler increases the flow for the higher horsepower tunes, but keeps a stock external appearance with little change in the sound level.
Now Available!
Learn More - A-Arm Bushing // 2019-2026 Polaris Axys PRO RMK / Matryx RMK Models // Set of 16$143.20sku:5454428-SPX
These bushings are made from higher quality material and built to tighter tolerances for a more precision fit to reduce slop and play in the front suspension.
Learn More - Lightweight Spring Cup // TEAM TSS-04 Driven Clutch - 2 and 3 Roller$139.95sku:LWSC-TSS04
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Our Lightweight Spring Cup reduces rotating weight by .65 lbs. to improve throttle response and acceleration. - Panel Vent Kit // 2021-2026 Polaris Matryx Indy/Switchback Models - 1pc Left Upper Console Panel$99.95sku:POL850VK-5-B
Our panel vents have an aluminum frame construction backed with stainless steel mesh to withstand even the toughest abuse!
Learn More - A-Arm Bushing // 2015-2026 Polaris Axys/Matryx Indy/Rush/Switchback/Voyageur/Titan Models // Set of 8$95.92sku:5450297-SPX
These bushings are made from higher quality material and built to tighter tolerances for a more precision fit to reduce slop and play in the front suspension.
Learn More - Panel Vent Kit // 2021-2026 Polaris Matryx Indy / Switchback / RMK Models - 2pc Rearward Side Panel$86.95sku:POL850VK-3-B
Our panel vents have an aluminum frame construction backed with stainless steel mesh to withstand even the toughest abuse!
Learn More - Lightweight Snow Flap // Polaris AXYS / PRO RMK / MATRYX Models$79.95sku:POL850SF
Our Lightweight Snow Flap lets you shed .35 lbs from your machine and is made from a very durable and flexible plastic with a carbon fiber look.
Learn More - Panel Vent Kit // 2022-2026 Polaris Matryx RMK Models - 2pc Forward Side Panel$73.95sku:POL850VK-2-B
Our panel vents have an aluminum frame construction backed with stainless steel mesh to withstand even the toughest abuse!
Learn More - Heavy Duty Steel Suspension Shaft // 2013-2026 Polaris RMK Models$69.95sku:5138059-HD
Here's one case where added weight is better! This heavy duty solid steel shaft replaces the stock hollow aluminum shaft that is prone to bending in harsh racing type conditions.
Learn More - Panel Vent Kit // 2021-2026 Polaris Matryx Indy / Switchback / RMK Models - 2pc Fender Front Side$64.95sku:POL850VK-4-B
Our panel vents have an aluminum frame construction backed with stainless steel mesh to withstand even the toughest abuse!
Learn More - Lightweight Aluminum Sno-X Snow Flap Washer Kit$59.95sku:SXSFWK
The Speedwerx Lightweight Aluminum Sno-X Snow Flap Washer Kit comes with 2 - CNC machined aluminum outer washers, 2 - CNC machined and threaded aluminum inner washers, and 2 - aluminum bolts. Kit is .25lbs lighter than steel replacement parts. Washers are 2” od x .125” thick to meet ISR rules.
Learn More - Speedwerx Primary Clutch Puller // Polaris Ranger / RZR UTVs and Boost / 9R Snowmobiles with P-22 Clutch$56.95sku:P22-CP
The staff at Speedwerx pulls more clutches than anyone, so we have developed these pullers to utilize the same socket that is used for the clutch bolt, saving both time and space in the process.
See description for full application list before ordering.
Learn More - Speedwerx H5 Alloy Primary Clutch Springs // Arctic Cat 6 and 9 Post - Polaris P-85 and P-22$54.95sku:CCH5We have the rates you need... Learn More
- Panel Vent Kit // 2022-2026 Polaris Matryx RMK Models - 1pc Left Upper Console Panel$54.95sku:POL850VK-1-B
Our panel vents have an aluminum frame construction backed with stainless steel mesh to withstand even the toughest abuse!
Learn More - Hoodie // Speedwerx Home of Horsepower // Gray$50.00sku:SPXHDY-G
Get one of these new hoodies from Speedwerx and support your favorite brand!
Learn More - Lightweight Aluminum Hardware Kit // C&A Pro Skis$49.95sku:CAAHK
The Speedwerx Lightweight Hardware Kit for C&A Pro Skis comes with 4 - CNC machined aluminum bushings and 4 - CNC machined aluminum washers. The Extra Lighweight version has lightening holes in the washers as well. The Lightweight Kit saves .25lbs and the Extra Lightweight Kit saves .30lbs.
Learn More - Speedwerx Perforated Rope Hat // Snapback - Black/Black$40.00sku:SPXTH-MRP-BLACK
- Speedwerx Perforated Rope Hat // Snapback - White/White$40.00sku:SPXTH26-GOLF-WHITE
- Speedwerx R2 Series Bearing Grade Racing Roller // TEAM BOSS Driven Clutch - 2016-2021 Arctic Cat Snowmobiles and 2018-2022 Wildcat XX - 2021+ Polaris Snowmobile - 2016+ Polaris ATV and UTV - Sold Individually$38.95sku:460329-SPX
Speedwerx R2 Series Bearing Grade Racing Rollers for the 2016-2021 Arctic Cat TEAM B.O.S.S. clutch, 2021+ Polaris Snowmobiles, and 2016+ Polaris ATV's and UTV's are an upgrade from the factory rollers. Sold individually- quantity of two required per machine!
Learn More - ECU Mounting Bracket // 2022-2026 Polaris Matryx Chassis 650/850/9R/Boost Models$34.95sku:POL850T-EMB
This race-inspired ECU Mounting Bracket allows you to keep the ECU close to the OEM location when modifying the intake on the Matryx chassis machines.
Learn More - Speedwerx Flexfit Hat - Black - Large Logo$30.00sku:SPXFF-21BLL
Get one of our new Flexfit Hats with an embroidered Speedwerx Logo!
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