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Welcome to Filthy Motorsports.

Filthy Motorsports is a specialty off-road shop in Boulder, Colorado that specializes in serving off-road enthusiasts that prefer to do the work themselves. While we do offer installation and custom fabrication services, we believe that half the fun of four-wheeling takes place in the garage. To give you the best service possible, we're often available after-hours and on weekends via email and we're constantly adding products to our on-line store for fast, safe, and easy shopping.



King Shocks King Off-Road Racing Shocks Experts
Whether you're looking for a bolt-on OEM kit for your daily driver or a set of custom built race-spec bypass shocks for your trophy truck, we're your source for King Off-Road Racing shocks.

Shop: [ King Bolt-On OEM Kits ] [ King Shocks and Coilovers ]



Racer Pricing on Rigid Industries Lights
Rigid Industries light bars feature blindingly bright, yet ultra efficient LEDs mounted within almost indestructible housings behind extra durable Lexan lenses to withstand the toughest off-road racing conditions.

Shop: [ Rigid Industries E-Series LED Light Bars ]
Rigid Industries



Deals of the Month!
  • 5% Off All AFE Products
  • 5% Off All Airaid Products
  • 5% Off MBRP Exhaust Systems
  • Racer Pricing on Rigid Lights
  • $25 Rebate On Hypertech Products
  • Up To $25 Off Superchips Products



Keep in mind that we're an authorized dealer for thousands of performance brands with millions of different products so if you don't find everything you're looking for here don't hesitate to email Quotes@FilthyMS.com, complete our Quote Request Form, or call us for a quote or package deal pricing!





Beard RX3T Seat
Beard RX-3T Seats
Starting At: $499.95

Beard RX-3T suspension seats are top-of-the-line competition off-road racing seats designed specifically for use in trophy trucks and rally cars. They offer the most protection, support, and comfort of any off-road racing seat and are available in many custom colors.
BFGoodrich Krawler T/A KX Tires
BFGoodrich Krawler T/A KX Tires
List Price: $463.36
Your Price: $414.95

BFGoodrich Krawler T/A KX tires are a DOT approved (blue label) professional rock crawling tire with a super soft and sticky tread compound, flexible race-spec carcass, and very aggressive, high grip tread pattern.
Inner Air Lock Beadlocks
Inner Air Lock Internal Beadlocks
Starting At: $129.95

Inner Air Lock internal beadlocks are compatible with any standard wheel or ring-style beadlock wheel and press against both inner and outer tire beads for maximum tire bead retention. They are easy to install, act as run-flats, and come in various sizes to fit wheels up to 20x12".
TJM Stealth 10000 Winch
TJM Stealth Series 10000 Winch w/ Synthetic Winch Rope
List Price: $1,149.99
Your Price: $999.95

TJM Stealth 10000 winches feature heavy duty 7hp motors and 212:1 reduction gears for maximum pulling power and include 80 feet of 3/8" Dyneema SK-75 synthetic winch rope, a wired and wireless winch controller, aluminum fairlead, and a remote mounted battery disconnect switch.
Vision X Tantrum LED Rock Light Kit
Vision X Tantrum LED Rock Light Kits
List Price: $129.95
Your Price: $199.95

Vision X Tantrum LED Rock Light Kits come with 8 weatherproof LED rock lights, a master controller, wireless remote, and all the necessary mounting hardware. The rock light pods come with your choice of white, amber, blue, green, purple, red, or multi-colored LEDs.



2011 SEMA ShowWe're back from the 2011 SEMA Show and, as usual, it was a big success and we came back with a bunch of new contacts, a ton of great information, and more new ideas than we know what to do with. Plus, we took over 500 photos for your viewing pleasure!

[ 2011 SEMA Show Highlights ] [ 2011 SEMA Show Photos ]



Jeep, Truck, and SUV Parts Off-Road Parts
We've got the lift kits, wheels, tires, body armor, winches, lights, and anything else you need to turn your Jeep, truck, or SUV into a capable off-road vehicle that's comfortable on the street and safe to use as a daily driver.

Rock Crawler Parts Rock Crawling Parts
Heim joints, DOM tubing, beadlock wheels, sticky tires, transfer cases, hydraulic steering, air bypass shocks, lockers, and all the custom off-road fabrication parts you need to build, repair, and maintain your hardcore trail rig or competition rock crawler.

Rally Car Parts Rally Car Parts
Complete suspension systems, racing seats, harnesses, roll cages, turbo kits, and all the race-spec parts you need to turn your Subaru, Mitsubishi, or any other car into a high speed, high performance, on and off-road racer.

Desert Racing Parts Rally Car Parts
From Trophy Trucks and Class 1 buggies to the prerunners and support trucks that assist them, we carry all the hardcore and race-spec parts you need for high speed desert driving.

Race Car Parts Race Car Parts
While we tend to focus on off-road vehicles, our product lines and expertise carry over into all forms of motorsports including high performance street vehicles and race cars.


Don't see what you're looking for? We carry a broad range of products above and beyond what we can make available on this website. Give us a call or send us an email with what you need and chances are we can get it for you and at a great price.




Social Media
Word-of-mouth advertising keeps our prices low and you can help by liking us on Facebook and giving us a +1 on Google!





Featured Brands
We proudly carry the full product line of the following brands:

Rigid Industries
Rigid Industries

Master-Pull
Master-Pull

Lightforce
Lightforce

King Shocks
King Racing Shocks

Pit Bull Tires
Pit Bull Tires

Earn Winches
Warn Winches