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MMD Decklid Panel; Black (13-14 Mustang)

Item 101183
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      Video Review & Installation

      Hey, guys. Adam here with Today, we're taking a quick look at and installing the MMD Decklid Panel, available for the 2013 and 2014 Mustang. Now, if you're the owner of the final two years of the S197 body style, you might be looking at the MMD Decklid Panel because it is one of the most popular exterior styling parts for this body. Now, this decklid Panel is gonna replace your gloss black factory one to add a textured matte black finish with horizontal embossed stripes all across it, while reusing the factory GT or pony badge. Now, this guy here comes in right around 130 bucks, making it a pretty worthwhile investment to change up the look of the rear end. Now, something I personally really like about this decklid panel is the fact that it extremely closely matches the license plate surround. Personally, I don't really know why Ford decided to go with the stripped matte black look on the bottom, but a gloss black finish on top. This is gonna match them up and make the back end all unified. Now, this guy here is gonna be made of a high-intensity, high impact resistant ABS plastic. So, it's really durable. And that's really common in the aftermarket world. We'll take a closer look at what this one looks like, comparing it to factory side by side on the table in just a little bit, but know the install gets one out of three wrenches on our difficulty meter. There's no drilling. There's no bolting. Really, this is gonna go on with 3M automotive bonding tape on the back and it's gonna use locator pins to help you get it exactly where you want it to be. Transferring over the factory emblem is pretty easy. All you're really gonna need is a flathead screwdriver and a little bit of elbow grease, and you'll get it done. I'm gonna show you every step of the process. It'll take you about 30 minutes from start to finish. What do you say we get started?Tools used in this install include an impact gun or a ratchet, T15 Torx socket, a thin small flathead screwdriver, a panel removal tool is recommended, as well as some card stock or a piece of paper or something to help prevent the flathead from scratching your paint. Also needed for the install is gonna be a soap and water mixture in a squirt bottle and a clean microfiber.All right, first step here, pop open your trunk. We're gonna remove the factory decklid panel. In order to do that, we're gonna start by removing the two T15 Torx screws holding this guy on. The rest of it is adhesive, but we'll tackle that next. Grab a T15, I'm gonna use an impact gun on its lowest setting or you can use a ratchet and remove this screw and the same one on the other side. For the next piece, I'm gonna use a panel removal tool. This is gonna be super helpful. You can use a flathead screwdriver, but that can risk damaging any paint. This is gonna be a lot safer. I'd also recommend maybe a squeegee. If you have a squeegee, you can use that as well. What you're basically gonna do is lift up here and use this to pry up. From here, it's really just adhesive holding this on. All right, so once you get under at least a piece of it, you can use your hand and pry up. There's also push pin clips that snap in, about two of them here, two of them the other side, bottom. So, you're really just lifting those out of the trunk lid. There we go. So, if we flip it over here you can see adhesive strip, it's gotten little old at this point, and these little clips that snap into place. So, now we can set this on a table.All right, so we got our factory decklid panel off of our '14 GT behind me. I wanna take you guys quickly through some similarities and differences. And as far as similarities go, really, the only one is going to be the general shape and the fitment. It's gonna fit like an OEM decklid panel. It is, however, gonna go on a little bit differently. This guy uses mainly 3M automotive binding tape pre-applied to the back, along with guiding pins to make sure it's in the proper position. The factory one, of course, use those pushpin clips that we talked about during the uninstall.Now, construction here is gonna be slightly different. Your factory one is a nice smooth plastic. This here is a high impact resistant ABS plastic with a very textured finish. So, instead of the gloss black painted, this is gonna be an unpainted matte black finish with some very, I don't wanna call it rough texture, but it definitely has a little bit of grit to it. Personally, I think that looks pretty cool, adds a nice little bit of character to the piece here that isn't so plain like the factory one. And on top of that, it also has the embossed horizontal striping, just to give it a little bit more texture and design element. The emblem surround is gonna be very similar. It's gonna attach very similarly as well. It'll use those retaining pins at the back. It also can use some 3M automotive bonding tape if you'd like. Now, this guy here has that same general shape and it's gonna have the same fitment, hugging that factory emblem. So, we are gonna have to transfer that over. That's what we're gonna do next. So, let's flip this factory guy over and get to work.All right, so next step, I have the factory decklid panel face down. I did put down some of the packaging that came with your MMD option just to keep the paint from scratching. I know we're replacing it but if you ever wanna go back to stock, you don't wanna make sure this is scratched. So, what we're gonna do is use a thin small flathead screwdriver. And underneath of this foam padding here, there is security retainer clips. We're essentially gonna have to pry off these guys, which is gonna make life easier removing this. So, if you crawl underneath of this little padding, you can pry up on that security clip. We may have to get it from each angle just to get this guy to lift. All right, so as you can see, this one over here broke off. You don't really want that to happen. But it is getting pretty old, so sometimes it can be a little fragile. As you can see, this guy did not break off, which is a good thing, but the retainer pin did come off. This is what we wanted, that little spacer. All right. So, we can set that aside.All right, from here, what we're gonna do is flip this guy back over and we're gonna have to pry off the factory emblem. Now, in order to do that, I would recommend taking a thicker piece of paper, like a card stock or something similar to that. This is gonna help prevent scratching your factory paint because you're gonna need a thin flathead screwdriver. Essentially, what we're gonna do is use this guy to go around the edges and then put our flathead on top of that. This is basically just putting a layer between the metal and the paint so it doesn't scratch. All right, so we're just using this to pry up. I'm actually gonna slide that paper back in a little bit more. All right, so we got that edge off, let's go around the other edge and work our way around. All right, from there, we can clean off the backing here and we'll transfer it over.Now, in the back of your factory emblem, there is that pre-applied tape. If your tape is not sticky anymore, you'll definitely wanna peel this off and replace it with some 3M tape. Ours is pretty sticky, surprisingly. So, we're gonna be able to reuse that. What we are gonna have to do is grab the alcohol wipe included in the kit and we're gonna clean off the area where that'll apply on our new decklid panel. Now, this is gonna help prevent any of the dirt and dust on there, which you might not be able to see but it is there, it'll prevent that 3M from getting good bond. So, you wanna clean it off. So, grab that included in the kit and go around the inside of this emblem seat. I'm just gonna clean the edges of it too, might not be completely necessary, but it will keep it from getting scratched up on the inside. From here, you're basically gonna line this guy up and seat it down putting pressure on that 3M. Now, because it has those retainer pins, you're gonna grab the security clip that we just removed from the factory one and apply that to the back. And that'll keep it in place. All right, so I'm gonna lift this up so I can make sure I'm guiding it from the back. All right, so, that's where it's gonna go. Once you have it where you want it and it's facing the right direction. It does have a little bit of play, so you wanna make sure it is centered. All right, and then you're basically gonna hold it in from the bottom and press down to get it to stick. With this guy in place, flip that back over. Now, you're essentially gonna take that security pin and put it right back on over that stud. I'm gonna grab my panel tool to help me push that down. All right, now that'll keep that from falling outward. Now, as you saw, we did lose one. So, you wanna make sure you're just repeating that for the second one.Now, this next step is arguably one of the most important. You wanna grab a squirt bottle with a soap and water mixture, and a clean microfiber, and we're gonna clean off the factory area where the decklid panel was. As you can see, it is pretty disgusting. And that would prevent our 3M from getting a good bond. I definitely recommend not skipping this step. Don't slack on this step. Do a really good job cleaning this guy and your decklid panel won't fall off. So, what we're gonna do is take this and we're gonna squirt down the area here with soap and water. I recommend doing this over Quik Detailer or anything like that, that has harsh chemicals. That will also leave the chemical trace that will prevent the 3M from getting that good bond. So, soap and water is recommended. All right, now, before you apply your decklid panel, you do have the option to put adhesion promoter on the back here where the 3M will touch, essentially being the edges all the way around. Now, the adhesion promoter is not included in the kit, but if it would give you peace of mind, you can pick that up separately and use it at your own will. Of course, not required, but it's recommended for some of that added peace of mind. Now, what we're gonna do, as you can see, I have our 3M backing peeled, you know, a couple of inches off on each of the strips. What we're gonna do now is set this into place, lightly put pressure on the sections that the 3M is exposed, and then we'll peel off the backing and push it into place. This will allow us a little bit of play, trying to get this aligned to where we want it to be without all of the 3M being stuck already. So, let's get to it.So, as you remember on the back, there's these locating pins. Those will go into the bottom right and the bottom left holes, so that kind of helps you get things aligned. All right, so we got this where we want it, can peel off the backing from the strips that are still exposed and press them into place. All right, guys, last step here, grab those two factory T15 Torx screws, we're gonna put them back in underneath. Those retainer pins we talked about are also gonna be used to hold these in place. So, this is also gonna give you some added peace of mind to hold this onto your trunk lid. I'm gonna put this in by hand, just at first, grab my T15 and tighten it down. There we go. Same thing on the other side. All right, from here, you can close your trunk and you're good to go. Well, guys, that's gonna wrap up my review and install for the MMD Decklid Panel for the '13, '14 Mustang. If you wanna get this one, you can do so exclusively right here at

      Product Information

      Features, Description, Reviews, Q&A, Specs & Installation


      • Retro Muscle Car Styling
      • Horizontal Embossed Design - Matches License Plate Surround
      • Keeps Trunk Emblem Intact
      • High Impact ABS Plastic
      • Easy Installation
      • Fits All 2013-2014 Mustangs


      Retro Muscle Car Styling. Add retro inspired muscle car styling to your modern Pony with Modern Muscle Design's rear decklid panel. This MMD rear decklid panel features an embossed horizontal pattern that matches the 2013-2014 factory license plate surround perfectly.

      Quality Construction. The MMD rear decklid panel is molded from ultra-durable high impact black ABS plastic for it's strength and long lasting durability. The design features a large round opening to allow your stock factory trunk emblem to show through.

      Easy Installation, No Drilling. No messy bondo, fiberglass, or drilling is required for installation. This Modern Muscle Design Rear Deckild Panel installs easily with the supplied doubled sided 3M automotive bonding tape for a quick and simple installation.

      Application. The MMD Rear Decklid Panel is designed to fit all 2013 to 2014 S197 Mustangs, including the V6, GT, BOSS and Shelby GT500 models.

      Modern Muscle Design



      MMD 101183

      CA Residents: WARNING: Cancer and Reproductive Harm -

      Installation & What's in the Box

      Installation Info

      What's in the Box

      • (1) Decklid Panel
      • (2) Alcohol Prep Pads
      • Installation instructions

      Tech Specs


      Customer Reviews (500+)

        Questions & Answers

        10 More Questions

        Will It Fit My Mustang

        • Boss 302 - 13
        • GT - 13, 14
        • GT500 - 13, 14
        • V6 - 13, 14

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