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RoadMaster RoadWing Removable Mud Flap System for Full Size Trucks - 77" Wide
Roadmaster

RoadMaster RoadWing Removable Mud Flap System for Full Size Trucks - 77" Wide

Part Number: RM-4400
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$286.97
Retail:$433.22
You Save: $146.25
Mud Flaps
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Protect your towed vehicle from nicks and dings with the RoadWing mud flap system. Its anti-sail design keeps the flaps down where they belong, shielding your car from flying road debris as you tow it. Designed for full-size trucks. Fastest Shipping and Great prices for RoadMaster RoadWing Removable Mud Flap System for Full Size Trucks - 77" Wide. Read our customer reviews of Roadmaster mud flaps. Call 1-800-940-8924 for expert service or order your mud flaps part number RM-4400 by Roadmaster online at etrailer.com.
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  • Reviews (49)
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  • Videos (1)
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Roadmaster Mud Flaps - RM-4400

  • Rear Pair
  • 24 Inch Wide
  • Universal Fit
  • Rubber
  • Hitch Mount
  • No-Drill Install
  • Roadmaster
  • Single

Protect your towed vehicle from nicks and dings with the RoadWing mud flap system. Its anti-sail design keeps the flaps down where they belong, shielding your car from flying road debris as you tow it. Designed for full-size trucks.


Features:

  • Mud flaps prevent your towing vehicle from kicking up too much debris
    • Protects your towed vehicle, trailer and other cars on the road
  • Anti-sail design helps flaps stay down to deflect more
  • Double-bolt attachment points keep the RoadWing in place and level
  • Grooved interior channels knock debris down and away from your vehicle
  • Easy installation - slide over ball mount or tow bar stinger and attach with bolts
  • Mud flaps can be trimmed to fit nearly any application
  • Made in the USA


Specs:

  • Application: 2" x 2" trailer hitch receivers
  • RoadWing width: 77"
  • Flap dimensions: 24" x 24"


4400 RoadMaster RoadWing Removable Mud Flap System

Installation Details RM-4400 Installation instructions


California residents: click here


Video of RoadMaster RoadWing Removable Mud Flap System for Full Size Trucks - 77" Wide

Videos are provided as a guide only. Refer to manufacturer installation instructions and specs for complete information.




Video Transcript for Comprehensive Review: RoadMaster RoadWing Removable Mud Flap System for Full Size Trucks

Hi everyone, Aidan here at etrailer. Today we're gonna be taking a look at the RoadMaster RoadWing temporary mud flap. This is gonna be a great solution if you only need a mud flap whenever you're towing. So this will clamp around the shank of your ball mount and provide protection for your trailer, your camper, or maybe if you've got another vehicle behind you. It's gonna protect it from debris, dirt, mud, rocks from getting kicked up and making contact with that. Let's check it out.

Now this version of the RoadWing is designed for use on full size trucks and will work with two inch hitches. So we're using it on a 2,500 today with a 2 1/2 inch hitch. So we needed to use a reducer sleeve to use our two inch shank ball mount. So just keep that in mind when you're checking this out for your own vehicle. RoadMaster does make a larger and a smaller size of the RoadWing, so if you have something like a mid size truck or a larger full size maybe with duallies in the back, then you can look into those options and find what fits best for you.

But this one will work with those two inch hitches. So just keep that in mind. Most of the mudflap system is pretty self-explanatory. You probably know exactly why you're getting it, to protect something that you're towing. The one thing that we ran into that caused some problems and that I wanna pass on to you is the kind of clearance issues we had when first setting this up.

So the big thing about this is because it clamps around the shank of your ball mount or your weight distribution head, it's gonna need a lot of clearance. Anywhere from two or more inches of space, what I recommend doing is going to whatever ball mount you have, putting it in your hitch, and seeing outside the collar of your receiver tube to the closest point of contact whether it's a gusset or just the ball mount itself, see if you've got at least two inches of space. If you have more than that, great. There's gonna be plenty of room for this to work. But we ran into a lot of issues where certain ball mounts when they we're in the receiver tube there and pinned into place, there's barely anything to actually clamp onto and this needs a lot of space.

The other issue we ran into is with a weight distribution head we had down in the shop here, that was plenty long but the edges of the shank were really rounded off and this didn't fit over it at all. So just watch out for that. The tolerances on the bracket here, I think are just a little bit tighter than they might be on a typical receiver tube. So just make sure that you've got some more squared off edges and I think it'll work just fine. And once you've got it all figured out with your ball mount situation and verified that it's gonna work, the rest of this is really straightforward. It spans 77 inches from side to side, so plenty wide for our truck today. And each flap is going to be 24 inches by 24 inches. Now you'll see that ours are dragging on the ground right now. We're not permanently installing these right now. We're just testing them out to see how they fit so we're not gonna make any cuts. But RoadMaster does recommend cutting these to length to make sure that they don't drag on the ground. And I would advise doing that as well because this is a somewhat flexible sort of rubberized material, but it's very plasticky. It feels very rigid. So I would not let these drag on the ground because they just don't have that much give to them. And maybe that's because it's straight out of the box for us. But regardless, I would follow those instructions and make sure they're trimmed to the proper length so that they don't drag. There are some nuts on the backside of the bracket here where it attaches to the ball mount that are tightened down to help hold this in place and keep it level and also keep it from rattling around. Now you'll notice we still have a lot of movement here but the ball mount is moving with it. So the mud flaps are tight on the ball mount. The ball mount just doesn't have any sort of extra anti-rattle device on it. Now normally I'd recommend some sort of collar anti-rattle device to keep the ball mount a little bit more steady. But because we're using a collar device right here, more than likely you're not gonna have any extra room for an anti-rattle device like that. You may be able to find one if you have a hollow shank ball mount. But in those cases, I doubt you're using something like this anyway, because chances are if you are using this mud flap system you've probably got a pretty heavy duty ball mount for a larger trailer or a boat trailer something like that, and it's probably a solid shank. That's what all there is to it. If you're looking for a way to protect whatever trailer or vehicle that you're towing behind your truck, then I think something like this can be a really great addition especially if you don't wanna have to deal with it all the time. When you're done towing, just take it off. I think it's a little unruly to work with but really any temporary mud flap solution like this is gonna be like that because they're just quite large. What I do like though is that it's all one solid piece and once you've got it assembled, it's really a no-brainer. You can just pop it on and off as needed. And I think it'll be easier to work with when you've got those mud flaps at the bottom trimmed to the length that you need for your truck and trailer combination. Just make sure that you watch out for whatever ball mount you're using this with and make sure you've got enough clearance for it, and make sure you pick up the right one for the right size hitch or truck that you're using. But this has just been our look at the RoadMaster RoadWing temporary mud flap for full size trucks. Thanks for watching.

Customer Satisfaction Score:

Ratings & Reviews

4.5

48 reviews
Protect your towed vehicle from nicks and dings with the RoadWing mud flap system. Its anti-sail design keeps the flaps down where they belong, shielding your car from flying road debris as you tow it. Designed for full-size trucks.

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Great quality and fast delivery



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It fits my needs perfectly



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Very easy to install. Love the fact that there was no drilling into our Rv or car. Highly recommend!



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Very easy to put on other then we were short a couple of blots and nuts in the bag.



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Always have exemplary customer service. I know I can get exactly what I need and am looking for at a fair price!
Thank you once again! Once I install the item, I will send photos.



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Everything fit works perfect



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I bought and installed these mud flaps on my 2014 Forest River Georgetown XL motor home to help protect my 2015 Chevrolet Equinox that I tow. they have performed flawlessly for me from California to Florida and return. I highly recommend this product.



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The mud flaps seem well made and are solid once mounted to my RV. Installation was easy, but there are quite a few nuts to tighten, so I would recommend a power drill if you have one to make it faster. The most time consuming piece of the installation was trimming the flaps. I followed the advice shown in the installation video on the eTrailer site and it was relatively easy, although it did take around 10 minutes for each side to trim the length to fit.
Overall, these seem to be a well made product with an easy installation.
I can not comment on durability yet, since I have just installed them, but the rubber flaps seems very sturdy, and I would expect them to last a long time.



by:

This is a high quality product that installs very easy. Unfortunately, when I stood back and looked at it, I realized that it won't work well for my application. The rear wheels of my dually will still send debris and mud over the top of the mud flaps outside the rear bumper of the truck. I also find that because they extend beyond the width of the dually, they will interfere with the front of my 5th wheel when making a sharp turn or backing. I will have to add some additional mudflaps immediately behind, and outside of the dually tires in order to prevent the debris from being thrown over the mud flaps. The Road Master mud flaps would be the perfect solution behind a motorhome, but not that great for my truck and 5th wheel.



by:

Great product. Almost covers the back of my moter home. Simple to install. Easy to remove when not towing my car.



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We bought these mud flats to protect our small Fiat 500 which we tow behind a small 30 ft class A motorcoach. The Fiat rides low to the ground. Before installing the mud flaps the Fiat sustained damage to a front parking light when hit by some small animal road kill. It also picked up tar in a construction zone. We had to cut the bottom of the flaps to shorten them but was otherwise an easy installation. They do drag a little when we enter/exit a steep incline. They do the job. We have put on about 3000 miles since we installed them without damage to the car.



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Great product! Saved my F-150 toad from having to get new radiator and headlight after I had to drive over some debris on the highway.



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Great product. Heavy duty!



by:

Okay there are only a couple small things that I have to grump about. First is that the mud flaps come rolled up and it is very hard to get them to lay flat now as you can see in the picture. Second there is no center flap included for total protection from debris flying from under the vehicle. Last thing is there should be a bar included for the bottom of the flaps to keep them laying flat all the time.

On the other hand...Etrailer.com really rocks!!! This is the first time that I have every used them and I will be using them again for sure. You are always being updated on the progress of your order. You order ships out right away and I had my order in a couple days. The price of this product from Etrailer.com was the best on the net that I could find. Oh yeah, and the fact that I got this item with free shipping is a total plus to me. Again I would recommend this site to anyone because they are good.



by:

The flap itself is excellent, having a receiver mounted one very convenient.
The issue I had was the single bolt used to snug up the entire setup. The previous units had two one one each side. To Roadmaster’s credit they were willing to accept my hitch mount and replaced with a two bolt version which solved the issue completely.



by:

Very easy to install and looks great. I shimmed my receiver hitch to ensure it did not wobbel. Protects my fifth wheel from gravel and road debris.



by:

The product did what I wanted it to do. It kept stones and debris from hitting the camper.
However, when you cut the flap to a height that is compatible to a good running height ( 4" above the road) the flap drags going in and out of parking lots. On one trip it drug so often the flap had a tear at the mounting bracket. I sent an email asking if I could purchase just the flap but I got no response. So I improvised and put another metal bracket joining both sections of the flap.

Mike L. profile picture
Etrailer Expert

Mike L.

5/8/2019

We do indeed offer a replacement flap, part # 200345-00 which you can see by using the provided link.



by:

This RoadMaster RoadWing Removable Mud Flap (RM-400) is fantastic. The Mud and rocks that I used to get on my trailer are almost non existent now. I only wish I would have purchased it before the first trip with my trailer. I only took one trip to realize the extra mud flaps I put on My Ram 2500 were not enough protection against road debris. Great investment and product. Highly recommended.


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Show More Reviews

See what our Experts say about this Roadmaster Mud Flaps

  • Mud Flap Fitment and Recommendation for Flat Towing Behind a Motorhome with Recessed Bumper
    All of the RoadMaster RoadWing Removable Mud Flap kits, like part # RM-4400 and # RM-4400-102 you mentioned, have the same basic dimensions so if you have trouble fitting one you'll have trouble fitting the other. For these to fit properly you need at least 2" of shank on your tow bar. If you have that much spacing past your bumper then these will fit and clear your bumper just fine. An alternative solution that I recommend going with is the Rock Tamers # ERT00108. These use 24" mud flaps...
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  • Do the Roadmaster Mud Flaps Connect to the Hitch Receiver or to the Ball Mount?
    The RoadMaster RoadWing Removable Mud Flap System for Full Size Trucks - 77" Wide # RM-4400 mount to the removable accessory. This can be a ball mount like you referenced, a bike rack, cargo carrier, or any other accessory. If attached to an adjustable ball mount the shank of the ball mount would not be removed to change the hitch ball size. On a fixed ball mount, you would need to remove the mud flaps to change the hitch ball size as you most likely change the entire ball mount and...
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  • Recommened Removable Mud Flap System for a 2-1/2" Hitch Receiver
    I have a solution for you but the RoadMaster RoadWing Removable Mud Flap System item # RM-4400 attaches to the ball mount not the receiver itself. So unless you are using a reducer, with a lower capacity 2" ball mount, there is no way to adapt this system to work with a 2-1/2" receiver. Instead I recommend using the Rock Tamers Heavy-Duty, Adjustable Mud Flap System item # ERT00110. This is a better all around option that attaches directly to your 2-1/2" ball mount. I have attached...
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  • Roadmaster RoadWing Mud Flap System for a Ford F-150
    The Ford F-150 is a light duty, full size truck. Other trucks that fall into this category are the F-250 and 350 and newer 450s. Larger than that and you get into medium duty trucks. This is not to be confused with a mid-sized truck. A mid-sized truck would be something like a Dodge Dakota. And a compact truck would be a Ford Ranger or Chevy S-10. But your Ford F-150 is a full size truck. So you would use Roadmaster RoadWing mud flaps system # RM-4400. The width is the overall width so...
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  • What Is The Best Way To Cut A Mud Flap To Size.
    I would start by measuring from the top of the cross bar to the ground on the RoadMaster RoadWing Removable Mud Flap System for Full Size Trucks - 77" # RM-4400. Then using some painters tape mark the mud flap about 1-2 inches from the ground. Now take a utility knife or a razor and making several light cuts or slices work your way through the mud flap taking your time and using proper protective gear like gloves and safety glasses. Once you are about half way through you can begin to...
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  • Ideal Ground Clearance for Roadmaster Roadwing 4400 Mudflap System
    Ideally with rubber mudflaps like the RoadMaster RoadWing Removable Mud Flap System for Full Size Trucks # RM-4400 you'll have 3-4 inches of ground clearance from the bottom of the flap to the ground.
    view full answer...
  • Are WeatherTech Mud Flaps # WT120045 Larger Than OEM Mud Flaps on 2015 Toyota Tundra
    I checked with my technical contact at WeatherTech for the dimensions of their mud flaps # WT120045 that fit your 2015 Toyota Tundra. Exact dimensions were not available from them but they advised that all of their mud flaps for your truck measure between 17- and 18-inches tall x 10- to 11-inches wide. These mud flaps fit trucks without add-on fender flares. If you DO have add-on fender flares and have a 2-inch hitch OR if you just want really large mud flaps then a better choice in a...
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  • How Much Room Do the RockTamers Take Up on a Ball Mount
    The Rocktamers like the part # RM-4400 that you referenced require 1 inch between the hitch opening and the gusset of the ball mount to fit. I attached a picture that should help visualize that. The Rock Tamers bracket that slides over the ball mount is just under an inch in width, which is why at least an inch of clearance is needed between the face of the receiver and the back of the ball mount face.
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    Image 1 for
  • Thickness of Mud Flaps in Roadmaster RoadWing Removable Mud Flap System
    I went out to the warehouse to measure the thickness of the mud flaps that come with the Roadmaster Roadwing Removable Mud Flap System # RM-4400. Using a digital caliper, I found the mud flaps to be 0.34 inches, approximately 11/32 inches, thick.
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  • Roadmaster RoadWing Mudflap System part # RM-4400 fit on a 2013 GMC Sierra 2500 HD
    Yes, the Roadmaster RoadWing Removable Mud Flap System part # RM-4400 that you referenced is designed to fit full size trucks as it is 77 inches wide and will work on your 2013 GMC 2500 HD. Check out the install instructions I attached also.
    view full answer...
  • Rear Mud Flaps for a 2001 Ford F-350 with Single Real Wheels
    We show Husky Liners mud flaps # HL57401 as a fit for the 2001 Ford F-350, non-dually, without add-on fender flares. If the truck does have add-on fender flares then you would need to use a ball mount-mounted system such as # RM-4400 or # ERT00108 for a 2 inch trailer hitch or # ERT00110 for a 2-1/2 inch trailer hitch.
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  • Replacement Mud Flap for Roadmaster RoadWing Mud Flap System
    Yes, you can get replacement mud flaps for your RoadMaster RoadWing Removable Mud Flap System # RM-4400. The Roadmaster Roadwing Replacement Mud Flap # 200345-00 is what you are looking for. This is a single mud flap so you will need to order 2 to replace both.
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  • Can RoadMaster RoadWing Removable Mud Flap System Be Used on a 2012 Chevy Colorado
    The RoadMaster RoadWing Removable Mud Flap System # RM-4400 is designed for full size trucks, but it will still work with your 2012 Chevy Colorado since it installs to vehicles with a 2" hitch receiver. To make sure this will be the best fit for your application you'll want to measure the width of your truck and compare that to the 77" width of this mud flap system. If that seems to work well then go for it! The height of the mud flap isn't a factor since the instructions call for trimming...
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  • Installing a RoadMater RoadWing Using a 2 Inch Adapter Sleeve on a 2-1/2 Inch Trailer Hitch
    Using an reducer sleeve like the Curt Reducer Sleeve 2-1/2 to 2 inches, # C45405, and your 2 inch ball mount, the Road Master Road Wing Mud Flap # RM-4400 will attach to the hitch of your 2014 GMC 2500 HD. The Road Master Mud Flap is designed to fit over a 2 x 2 inch ball mount and attach to the ball mount with bolts. You cannot attach the mud flaps directly to the reducer and then install in hitch. You must use a ball mount in conjunction with the Road Master Road Wing mud flaps. Also,...
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  • RV Mudflap Recommendation for Hitch of 2008 Coachmen Concord
    We do not have wheel well mudflaps for your 2008 Coachmen Concord 300TS motorhome, but if you have a hitch at the back of your motor home you could use the part # RM-4400 as it will attach to it and work well.
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  • Recommended Removable Mud Flaps And Rock Guards For Tow Vehicle
    To protect your trailer from rocks and road debris, I recommend the RoadMaster RoadWing Removable Mud Flap System for Full Size Trucks - 77" Wide # RM-4400, the RoadMaster RoadWing Mud Flap System for Midsize Trucks and SUVs -73" Wide # RM-4400-73 or the Rock Tamers Heavy-Duty, Adjustable Mud Flap System for 2" Hitches - Matte Black # ERT00108. These fit right over your ball mount and mount with screws. They are easily added or removed when not towing but will save your trailer from debris...
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  • Will the RoadMaster RoadWing Removable Mud Flap System Need to Be Trimmed if the Exhaust Will Hit it
    The RoadMaster RoadWing Removable Mud Flap System for Full Size Trucks # RM-4400 will need to be trimmed if the flaps are in the path of the exhaust. Exhaust heat can melt the mud flaps, but they can be trimmed. So, you would just want to trim away where the exhaust would be hitting the mud flaps. You could also add the Heat Shield for Rock Tamers Mud Flaps # RT76FR, if you'd rather not trim the mud flaps.
    view full answer...
  • Can RoadMaster RoadWing Removable Mud Flap System # RM-4400 withstand Exhaust Heat
    RoadMaster RoadWing Removable Mud Flap System # RM-4400 or any system will need to be trimmed if the flaps are in the path of the exhaust. Exhaust can be extraordinarily hot as you have found so the flaps will have to be trimmed or you will keep having this problem.
    view full answer...

Do you have a question about this Mud Flap?


Info for this part was:

Employee Michael H
Expert Research:
Michael H
Employee Jameson C
Expert Research:
Jameson C
Employee Adele M
Updated by:
Adele M
Employee Wilson B
Updated by:
Wilson B
Employee Jenny M
Updated by:
Jenny M
Employee Mike S
Updated by:
Mike S
Employee Matthew E
Updated by:
Matthew E
Employee Dustin K
Video Edited:
Dustin K
Employee Chris R
Video Edited:
Chris R
Employee Randy B
Installed by:
Randy B
Employee Zach D
Video by:
Zach D
Employee Charles A
Video by:
Charles A
Employee Aidan B
Test Fit:
Aidan B

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