Ford F-250 F-350 SUPER DUTY 2017+ SRW Mud Flaps
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Description
ROKBLOKZ RALLY MUD FLAPS FOR 2017–2022 FORD F-250 & F-350 SUPER DUTY SRW
- BUILT FOR 2017–2022 SUPER DUTY: Designed specifically for 2017–2022 Ford F-250 and F-350 Single Rear Wheel (SRW) trucks, including compatible Tremor models.
- 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: Built to protect your Ford Super Duty in harsh environments, from gravel roads and muddy job sites to snow, road salt and everyday highway driving.
- FLEXIBLE (Not Floppy): Engineered to bend and flex when needed while holding their shape at highway speeds for excellent protection against mud, dirt, rocks and road debris.
- EASY INSTALL: Uses existing OEM Mounting Locations with included rust-resistant hardware and detailed instructions. *Requires drilling 2 small holes in plastic fender trim/edge to gain access to OEM mounting holes behind.
- FLAT DESIGN: Unlike molded guards that can contact the body, our flat flap design helps reduce unwanted contact with painted surfaces while providing excellent tire coverage.
- ASSORTED COLORS: Choose from black or more than 10 color options to personalize your Super Duty.
- ADDITIONAL ACCESSORIES AVAILABLE: Check out our Window Vents.
- PROUDLY MADE IN THE USA!
IMPORTANT: 2023+ FORD SUPER DUTY FITMENT
These Rally Mud Flaps are NOT recommended for 2023+ Ford F-250 or F-350 Super Duty trucks. Changes to the exhaust configuration on 2023+ models can expose the passenger-side rear Rally flap to excessive exhaust heat, particularly while towing or under heavy load. This heat can damage or melt the mud flap.
For 2023+ Ford Super Duty trucks, choose our Step-Back Mud Flaps.
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:
2017-2022 Ford F-250 Super Duty XL, XLT, Lariat, King Ranch, Platinum and Limited
2017-2022 F-350SRW Super Duty XL, XLT, Lariat, King Ranch, Platinum and Limited
2020-2022 F-250/F-350 Tremor
DOESN'T FIT:
2023+ Ford F-250 or F-350 Super Duty — use our Step-Back Mud Flaps instead
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, Exhaust, 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.
Running 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.
Step-Back Mud Flaps are also the recommended option for 2023+ Ford F-250 and F-350 Super Duty trucks due to the location and heat of the exhaust system.
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 and are not included in the shipping cost.

Built for Real Trucks. Built for Real Work.
Your Ford Super Duty wasn't built to stay clean in a garage. Whether you're towing a trailer, hauling equipment, heading to a job site or exploring dirt and gravel roads, your truck sees the kind of conditions that can send rocks, mud and road debris straight into its paint and body.
Rokblokz Rally Mud Flaps for the 2017–2022 Ford F-250 and F-350 Super Duty SRW are designed to provide serious coverage without the bulky look of traditional molded splash guards. Each flap is CNC cut from our proprietary flexible polymer material to withstand demanding conditions while maintaining its shape at highway speeds.
The vehicle-specific design provides coverage where your Super Duty needs it, helping protect the paint, lower body, fenders and running boards from rock chips, mud, gravel, snow and road debris.
Rally vs. Step-Back Mud Flaps: Which Does My Super Duty Need?
For a 2017–2022 F-250 or F-350 SRW with stock or near-stock wheels and tires, Rally Mud Flaps are generally the best choice. They mount inside the wheel well for a clean, traditional rally-style installation.
If your 2017–2022 Super Duty is lifted, has larger tires or runs wider/higher-offset aftermarket wheels, consider our Step-Back Mud Flaps for additional tire clearance.
For a 2023 or newer Ford F-250 or F-350 Super Duty, we recommend Step-Back Mud Flaps regardless of tire size. The updated exhaust configuration can expose a conventional Rally-style rear flap to excessive heat, making the Step-Back design the better solution for these trucks.
Whether your Super Duty spends its days towing, working, commuting or exploring off pavement, Rokblokz gives you durable, vehicle-specific protection built for the way these trucks are actually used.
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!
FORD SUPER DUTY MUD FLAP FAQ
Do these mud flaps fit a 2023 or newer Ford F-250 or F-350?
No. Rokblokz Rally Mud Flaps are recommended for 2017–2022 Ford F-250 and F-350 Super Duty SRW trucks only. Changes to the exhaust configuration on 2023+ trucks can expose the passenger-side rear Rally flap to excessive heat, especially while towing or under heavy load. For 2023+ Ford Super Duty trucks, we recommend our Step-Back Mud Flaps instead.
Do Rokblokz mud flap colors match Ford factory paint colors?
No. Rokblokz mud flap colors are not designed to match Ford factory paint colors, and we do not recommend choosing a color specifically for paint matching. Differences in material, lighting, screen settings and factory paint finishes can make colors appear significantly different. If you're unsure which color will look best with your Super Duty, we recommend ordering a Rokblokz Color Sample before purchasing.
What's the difference between Rally and Step-Back Mud Flaps for the Ford Super Duty?
Rally Mud Flaps mount inside the wheel well and are best suited for 2017–2022 trucks with stock or near-stock wheel and tire setups. Step-Back Mud Flaps use stainless-steel brackets to move the flaps farther back and below the body, providing additional clearance for larger tires, wider or higher-offset wheels, and modified trucks. Step-Back Mud Flaps are also recommended for all compatible 2023+ Super Duty applications due to exhaust heat concerns.
Do these mud flaps fit both the Ford F-250 and F-350?
Yes. This Rally Mud Flap Kit fits compatible 2017–2022 Ford F-250 and F-350 Single Rear Wheel (SRW) Super Duty trucks, including XL, XLT, Lariat, King Ranch, Platinum and Limited trim levels.
Do Rokblokz Rally Mud Flaps fit the Ford F-250 or F-350 Tremor?
Yes. These Rally Mud Flaps fit 2020–2022 Ford F-250 and F-350 Tremor SRW models. For 2023+ Tremor models, we recommend the Step-Back Mud Flap Kit.
Do these mud flaps fit Ford Super Duty dually trucks?
No. This kit is designed for Single Rear Wheel (SRW) Ford F-250 and F-350 Super Duty trucks and does not fit Dual Rear Wheel (DRW/dually) models.
Will these Ford Super Duty mud flaps work with larger tires or aftermarket wheels?
Fitment depends on tire size, wheel width, offset and suspension modifications. If your larger tires have limited clearance inside the front wheel well at full steering lock, our Step-Back Mud Flaps may be the better option because they provide additional tire clearance. Check your tire-to-fender clearance at full lock before ordering.
Do I have to drill holes to install these Ford Super Duty mud flaps?
Yes, but the flaps primarily use existing OEM mounting locations. Installation requires drilling two small access holes in the plastic fender trim/edge to reach factory mounting locations behind it. Installation hardware and detailed instructions are included.
Will these mud flaps fit a lifted Ford F-250 or F-350?
They may, but wheel and tire clearance is more important than lift height alone. For lifted Super Duty trucks running larger tires, wider wheels or aggressive wheel offsets, we generally recommend considering the Step-Back Mud Flaps for additional clearance.
What comes with the Ford Super Duty Rally Mud Flap Kit?
Each kit includes four Rokblokz mud flaps—two front and two rear—plus stainless-steel and rust-resistant mounting hardware and installation instructions. A shopping cart quantity of one includes one complete four-flap kit.
What are Rokblokz Ford Super Duty mud flaps made from?
Rokblokz mud flaps are CNC cut from our proprietary flexible polymer material. They're engineered to flex when needed without becoming floppy, helping them maintain their shape at highway speeds while standing up to rocks, mud, gravel, snow and demanding driving conditions.
Can I get these Ford F-250 and F-350 mud flaps in different colors?
Yes. Rokblokz offers black plus a variety of color options for customizing your Super Duty. Colored flaps are made to order and considered custom, so colored mud flaps are not returnable.
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