Please factor in 3-7 Business Days for Processing and Assembly.
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2 STYLES: Rally Mud flaps mount inside the wheel well for stock set ups or Step-Back Flaps that mount step back under the body for better clearance with larger tires and aftermarket wheels.
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EXTREME DURIBILITY: Designed to protect your Super Duty in the harshest environments.
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FLEXIBLE (Not Floppy): Bend and flex over any terrain but hold their shape at high speed for unsurpassed protection against mud, dirt and rocks.
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EASY INSTALL: Uses existing OEM Mounting Locations & provided hardware and detailed instructions. *Requires drilling 2 small holes in plastic fender trim/edge to gain access to OEM mounting holes behind.
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FLAT DESIGN: Prevents potential scratches to the vehicle's paint by avoiding contact with the fender, ensuring a sleek appearance and protecting your truck's finish.
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ASSORTED COLORS: Over 10 color options for ultimate personalization.
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ADDITIONAL ACCESSORIES AVAILABLE: Check out our Window Vents.
- PROUDLY MADE IN THE USA!
Please allow 1-3 Business days for Processing and Assembly.
WHAT'S INCLUDED:
Each RokBlokz mud flap set for the 4th Generation Ford F-250 F-350 SRW SUPER DUTY comes with 4 flaps (2 FRONT and 2 REAR), stainless steel & rust-resistant mounting hardware, and instructions to fit factory hole locations. **Requires drilling 2 small holes in plastic fender trim/edge to gain access to OEM mounting holes behind.
WHAT IT FITS:
2017+ Ford F-250 Super Duty XL, XLT, Lariat, King Ranch, Platinum and Limited
2017+ F-350SRW Super Duty XL, XLT, Lariat, King Ranch, Platinum and Limited
2020+ F-250/F-350 Tremor
DOESN'T FIT:
F-150 models, Dual rear wheel Trucks or previous generation Super duties.
Please note that this kit was designed on a stock vehicle. When modifying wheels, suspension or body panels you may have to modify the flaps to work with those changes. May not fit trucks with fender flares. These may require modification such as the addition of a hole into the fender flare when present.
If you have larger-than-stock tires, check your front tires at full lock for fender clearance BEFORE ordering. If you have any fitment questions, please ask before purchasing so that we can help you find the right kit for your vehicle.
2 STYLES TO CHOOSE FROM:
-RALLY FLAPS were designed for those who like to keep a stock set up but want excellent paint protection. SEEN ON THE TRUCK IN THE PHOTOS.
-STEP-BACK FLAPS mount using matte black stainless-steel brackets that step back below the body for better clearance with lifts, larger tires and/or higher offset wheels that poke past the fenders and are tight on space inside the wheel well.
COLOR OPTIONS:
We offer multiple color options for some customization. Flaps are available in BLACK, RED, YELLOW, GREY, OLIVE DRAB, DEEP BLUE, BRIGHT BLUE, ORANGE, LIME GREEN, PINK and DEEP PURPLE. Colors other than Black are considered Custom as they are made to order.
*NO RETURNS ON COLORED FLAPS
Screen resolution, lighting, and surroundings all affect how colors present. If you are questioning how well the color will match, please order a color sample HERE.
Please note that a shopping cart quantity of 1 = a whole kit (4 flaps)
FREE SHIPPING in the contiguous U.S.
International shipping is available. You can see pricing in the shopping cart. Please note that International Taxes and Duties are the responsibility of the buyer.

Built for Real Trucks. Built for Real Work.
When you drive a Ford F-250 or F-350 Super Duty, you’re not afraid to put your truck to work. Whether it’s hauling gear, towing heavy loads, or exploring backcountry roads, your rig deserves protection that works as hard as you do.
That’s why our Rokblokz Ford F-250 and F-350 SRW mud flaps are engineered for performance and longevity. Each set is CNC laser cut from our proprietary polymer blend, designed to handle harsh job sites, road salt, gravel, and heat without cracking or warping.
These aren’t flimsy universal guards—our Ford Super Duty mud flaps are purpose-built to fit your truck’s body lines perfectly, offering aggressive coverage that shields your paint, fenders, and running boards from rocks, mud, and road debris.
Whether you’re driving through mud, snow, or desert dust, Rokblokz mud flaps keep your Super Duty cleaner, tougher, and ready for whatever comes next.
Seeking Local Vehicles for Fitment Testing
At RokBlokz, we’re always looking for vehicles in or near Provo, UT to help us refine and perfect our mud flap designs. If you’re local and want to see if your vehicle qualifies, check out our list of needed models here. Participating owners receive special perks and the chance to be part of our design process!