Speedwerx Catalyst 858 Turbo Kit in action 🐌💨 165” Catalyst 858 245 lbs Rider plus the kid 6 lbs of Boost 8,500 Feet Elevation Premium Pump Gas / Non-Ethanol 91 Mashed Potato Snow and 53*F Temp We’ve got a little more fine tune testing to go but we will have more info and details coming very soon! We truly appreciate everyone’s patience on this kit! We promise you guys won’t be disappointed 🤘🏼 #speedwerxusa #straightupusahorsepower #performance #experiencethewinningtradition #powersports #ar
0:39
Speedwerx Catalyst 858 Turbo Kit in action 🐌💨 165” Catalyst 858 245 lbs R…
43.6K viewsMar 27, 2025
FacebookSpeedwerx
CATALYST platform sleds changed the experience for mountain, trail and crossover riders everywhere. Now, in just 8.58 seconds, you’ll see how the new 858 engine — purpose built for the CATALYST platform — makes maintaining your sled easier than ever. See the full video here: https://youtu.be/YH-tzMORjMg?si=Jr9ocXOEZLNCF8b3 #ArcticCat #ArcticCatSnow #CATALYST #snowmobile | Arctic Cat - Snowmobiles
0:20
CATALYST platform sleds changed the experience for mountain, trail …
6.2K viewsApr 10, 2024
FacebookArctic Cat - Snowmobiles
The only thing better than a video of the all-new 2025 Arctic Cat Catalyst ZR 858 R-XC is to ride one! #CountryCat #ArcticCat #Catalyst #ZR #RXC #858Stroker | Country Cat
1:44
The only thing better than a video of the all-new 2025 Arctic Cat Cataly…
13.6K viewsApr 2, 2024
FacebookCountry Cat
858 Catalyst on the engine dyno ⚙️🔧 See what we got coming for the 858 in our latest product update video ⬇️ 🔗 LINK IN COMMENTS #speedwerxusa #straightupusahorsepower #performance #experiencethewinningtradition #powersports #arcticcat #catalyst #858 #stroker #muffler #exhaust #858catalyst | Speedwerx
0:19
858 Catalyst on the engine dyno ⚙️🔧 See what we got coming for the 85…
34.2K viewsOct 4, 2024
FacebookSpeedwerx
858 Catalyst Speedwerx Turbo Kit on the dyno 😬 200 HP numbers but we can't wait to get this monster on the snow to do some real testing! Don't forget you can pre-order the Turbo Kit and we are planning to ship between December 1 to January 1 but we are taking down payment deposits now! Give us a call to get on the list and will be available on the website soon 📞📲 #speedwerxusa #straightupusahorsepower #performance #experiencethewinningtradition #powersports #arcticcat #catalyst #858 #stroker
0:13
858 Catalyst Speedwerx Turbo Kit on the dyno 😬 200 HP numbers but …
10.2K viewsOct 9, 2024
FacebookSpeedwerx
Our 858 Catalyst Stealth Head Mod with billet dome inserts for the Arctic Cat 858 adds a huge amount of power and performance! 💥 The chamber design is completely different from stock, we switch back to a true conventional dome shape chamber, and change the width and depth of the squish band. The results are 5 HP gain on premium pump gas at sea level with our 12.75:1 domes and 8 HP at higher elevations with increased compression ratios! We have Limited Quantity Now Available to ship this week! �
0:56
Our 858 Catalyst Stealth Head Mod with billet dome inserts for the Arc…
6.5K viewsFeb 4, 2025
FacebookSpeedwerx
Our Catalyst 858 Turbo Kit is finally HERE! 🐌💨 Our Turbo Kit comes complete and ready to install without any major chassis modifications. Kit utilizes stock coolant and oil lines to feed turbo. Fueling is controlled from a re-flashed ECU and standalone G3 controller box that controls the secondary fuel injectors. As of now we are the only aftermarket company running 4 injectors but both Polaris and Ski-doo run them on their turbo sleds direct from the factory. This provides better throttle res
1:25
Our Catalyst 858 Turbo Kit is finally HERE! 🐌💨 Our Turbo Kit comes com…
13.9K views10 months ago
FacebookSpeedwerx
1:52
Here’s some videos from the Catalyst 858 maxed out build with …
27.3K views4 months ago
FacebookKlean Custom Printing
1:15
858 Catalyst Muffler Sound Comparison Stock vs. Speedwerx …
90.3K viewsAug 30, 2024
FacebookSpeedwerx
0:44
A new breed of power has been unleashed. The 858 engine is purp…
668.8K viewsSep 7, 2023
FacebookArctic Cat - Snowmobiles
0:18
Who’s excited to see how the 858 stacks up against the rest of the fi…
12.2K viewsApr 28, 2024
FacebookSnoWest Magazine
1:27
For anyone looking to get one of our Exterminator stage kits for the 85…
11.3K viewsJan 8, 2025
FacebookSpeedwerx
4:35
Diagnosing Catalytic Converters
188K viewsDec 18, 2020
YouTubeBlueDriver
8:10
How To Diagnose a Bad Catalytic Converter
191.2K viewsAug 29, 2018
YouTubeBleepinJeep
10:00
P0420 How To Diagnose A Bad Catalytic Converter -EricTheCarGuy
3.4M viewsDec 21, 2012
YouTubeEricTheCarGuy
8:35
How to identify a bad clogged catalytic converter.
1.1M viewsNov 10, 2020
YouTubeAll Tsab
14:42
How to Check a Catalytic Converter for Blockage or Efficiency Below T…
1M viewsDec 7, 2014
YouTubeRatchets And Wrenches
8:10
CHEAP Catalytic Converter Fix - P0420 P0430
761.9K viewsNov 17, 2022
YouTubeWar Paint Offroad and Performance
3:17
‪@ArcticCatSnowmobiles‬ 858 Motor Release
31.2K viewsSep 11, 2023
YouTubeSledHead247
1:11:55
Utah Snowmobile Trip | January 2025
2.9K viewsFeb 5, 2025
YouTubeMike Less - Farmhand Mike
3:26
CATALYST 858 MUFFLERS // Speedwerx USA
10.8K viewsSep 13, 2024
YouTubeSpeedwerx, Inc.
8:12
RIOT 858 CATALYST | FIRST IMPRESSIONS
9.9K viewsFeb 26, 2025
YouTubeUpstate Blake
0:49
Arctic Cat MY25 | 858 Engine
18.4K viewsFeb 13, 2024
YouTubeArctic Cat Snowmobiles
22:14
Opening NIGHT ride in Vermont! | VSP 858 Tune testing!
10.1K views5 months ago
YouTubeMunsonMotorsports
10:44
Arctic Cat 858 First Ride!
1.4K viewsDec 28, 2024
YouTubeCF_BACKCOUNTRY
2:28
2026 Catalyst M858 HCX 146” walk around
2.4K views6 months ago
YouTubeRideTheSeason
9:53
858 Catalyst Drive Belt Bearing Grenades 😬
13.7K viewsJan 6, 2025
YouTubeBozoneFreeriders
7:05
2026 Arctic Cat Catalyst 858 RIOT Demo Ride
9K views3 months ago
YouTubeRichard Marchessault
14:06
HPS Can Install on the 858 Catalyst
5.6K viewsDec 26, 2024
YouTubeAverage Outdoor Joe
23:00
All About the Catalyst 858 Turbo & N/A!
14.1K viewsDec 17, 2024
YouTubeIbexx LLC
See more videos
Static thumbnail place holder