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SpeedForm Classic Quarter Window Louvers - Pre-Painted (10-14 All)

Market Price $179.99 You Save 17% ($30.00)
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  • Item 71316

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2014 2013 2012 2011 2010

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      Features, Videos & Details

      • Matches 2010-2014 Factory Mustang Colors
      • Painted Right Here at AmericanMuscle!
      • Classic Muscle Car Styling
      • Durable Automotive Grade ABS Material
      • Easy Install, No Drilling
      • Fits All 2010-2014 Mustang Coupes

      Review & Installation Video

      Hey, I'm Justin with and I'm taking a closer look at MMD's classic quarter window louvers, fitting all 2010 to 14 Mustangs, available in your choice of either unpainted or pre-painted. If you're looking for a retro or modern styling part that's going to separate your ride from the rest, look no further than MMD. They've quickly become the industry leader in producing cool and stylish appearance parts for mustangs of all ages. Now, if you guys want to see more killer parts from MMD including some of their wheel offerings for the S197, go ahead and click on that link below to subscribe to our YouTube channel if you haven't done so already. So the classic quarter window louvers from MMD are definitely one of the more popular appearance parts here on the site and are, of course, inspired from the iconic 60s Fastback Mustangs. Now, thanks to the retro lines of these modern S197s, the louvers look right at home here on our 2014 GT. Taking a closer look at the louvers themselves, you'll notice that MMD went with a lightweight yet extremely durable ABS plastic for the construction, all of which have been injection molded making for a perfect fit and finish. As I mentioned at the beginning of this video, you do have the option of grabbing these louvers unpainted, or for a few bucks more you can spring for the fully painted version shown here. Now these louvers are sprayed in our state of the art paint booth at American Muscle headquarters, making for a perfect color match right out of the box. Now guys, go ahead and click on that link below if you want to head back to the product page at for a full breakdown of all the colors available for this louver. Included in the package, you'll find everything needed to install the louvers, including the 3M automotive dual-lock adhesive tape, which basically allows you to remove the louvers after they're already been installed to clean the rear window. Now for the install itself, you'll first want to clean the backside of the louver and the quarter window using the alcohol prep pads. Grab your adhesion promoter and then wipe down those same areas. Install tthe 3M automotive tape to the backside of the louver, remove the protective backing, and adhere the louvers carefully to your ride. Getting everything installed is only going to take you about 30 minutes from start to finish but if you should have any problems with the install or if you just have any questions, you can always get in touch with one of our Mustang experts. If you're looking to add iconic 60s Fastback styling to your 2010-2014 Mustang, then be sure to check out MMD's classic quarter window louvers available right here at

      Classic Muscle Car Styling. Add the classic styling of a late 60's Muscle Mustang to your 21st century ride with a set of SpeedForm Classic Quarter Window Louvers from AmericanMuscle for impressive styling. These quarter window louvers not only look great, but are pre-painted to match your Mustangs factory color straight out of the box, saving you time and money!

      Painted Here to Match 2010-2014 Factory Mustang Colors. These SpeedForm Classic Quarter Window Louvers are painted right here, at AmericanMuscle HQ, with the same base coat clear coat urethane paint Ford used on the exterior of your Mustang to match your stock color perfectly.

      Durable ABS Material. These SpeedForm Classic Quarter Window Louvers are manufactured from injection molded automotive grade acrylonitrile butadiene styrene (ABS) material for its light-weight and superior durability.

      Easy Install, No Drilling. No messy bondo, fiberglass or drilling is required for installation. These SpeedForm C Pillar Window Louvers simply install directly to the factory glass with the supplied 3M Automotive Grade Dual Lock for a quick and easy installation. This allows for easy removal of your quarter window louvers whenever you desire to clean the window surface underneath.

      Recommended Styling Upgrade. When installing exterior quarter window louvers or scoops on your Mustang, it is recommended to add a set of quarter window blackout decals to hide the ugly back side that wasn't meant to be seen by human eyes. Available for 2010-2014 Mustangs, see drop down option above.

      Application. These Pre-Painted SpeedForm Classic Mustang Quarter Window Louvers are designed to be a perfect fit on any 2010 to 2014 Mustang Coupe, including the V6, GT, BOSS or Shelby GT500 models. Sold as a set of two, one driver side and one passenger side.

      Find Your Paint Code

      • Choose the year of your Mustang from the options above. The color choices displayed will be the only exterior paint colors available for your year Mustang. The first two letters for each color option are the paint code for your exterior color.

      • If you need to verify your paint code, look inside the door jam of your driver's side door at your VIN plate to find your exterior paint code.

      These Classic Quarter Window Louvers are also available Unpainted for those who like to do-it-yourself.

      Fitment: 2010 2011 2012 2013 2014 Details

      What's in the Box
      • (1) Driver Side Louver
      • (1) Passenger Side Louver
      • 3M Automotive Grade Dual Lock
      • Alcohol wipes
      • Adhesion promoter
      • Instructions
      Installation Info
      Tech Specs
      Will it fit my Mustang?
      • Boss 302 - 12, 13
      • GT - 10, 11, 12, 13, 14
      • GT500 - 10, 11, 12, 13, 14
      • V6 - 10, 11, 12, 13, 14

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      13 Questions / 13 Answers

      Ask a Question

      Can you see out of the window with type of louver on the window? I want to purchase them because they are cool looking and make my Mustang look even better, but if it is going to hinder my vision I will pass and purchase other stuff for my Pony.


      • Yes you can still see out of the window. Inside the car they are angled to give you some visibility. I was concerned too, that is why I didn't get the blackouts. You will also start using your side mirrors more, which is a good thing.


      Show 7 more answers Helpful (4)

      I assume these aren't meant to be removed, so is there any way to clean the quarter window glass with these on? I'm worried about stuff getting inside the louvers and building up over time. Also, if I ever needed to remove these, could I do so without damage/leaving marks?


      • Actually, they are made to come off so you can clean the quarter window under them. At least, mine were. The install strips were a type of Velcro and the guy at the dealership just forced them off, cleaned the window, and put them back on. I was afraid I would screw something off so I paid the body shop 20.00 to pull them off, clean the windows, and put them back on. Usually about once every month or so and I had the car for 19 months when I traded it in on a 2016 and they still were holding fine. I had the body shop at the dealership install them so they were familiar with how they worked. You might check with your dealer and see if someone there know how yours work. Hope this helps


      Helpful (3)

      The video mentioned taking these off periodically to clean the rear quarter windows. Can these be put through a car wash?


      • I just traded my 2014 GT for a 2016 GT but I have mine on the 2014 stang for a year and half and it went thru many car washed and never came off. They fasten on with a Velcro type of thing and you can pull them off and clean the rear quarter window and put them back on. I always had the dealer to do it when I got an oil change but I watched them do it and it didn't look very difficult. A little pull pressure to get them off and make sure they were straight going back on and all was good.


      Helpful (1)

      Would these fit 2005-2009 Mustang quarter windows?


      • Unfortunately, these specific SpeedForm Classic Quarter Window Louvers are designed only for 10-14 model Mustangs. Fortunately, we do offer the same SpeedForm Classic Quarter Window Louvers for 05-09 model Mustangs! They are item number 71315 and you can find them here:


      Helpful (0)

      Are these an exact copy of the factory versions? Do they stick out further than the factory louvers?


      • Unfortunately there is no mustang that comes stock with these louvers. The SpeedForm Classic Quarter Window Louvers are an aftermarket louver.


      Helpful (0)

      I notice they dont have a pre painted version of these for the 15-17 models. I like these. do you you think these could fit on a 17 model being that the back windows are similar in size?


      • Unfortunately the SpeedForm Classic Quarter Window Louvers are unable to fit the 15-17 Model Mustangs.

        Rob D

      Helpful (0)

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      Customer Reviews (100+) Write a Review

      Overall Rating 4.7

      out of 5 stars

      Installation Time:Less than 1 Hour

      Installation Cost:0-$100

      • Fit 5 5
      • Appearance 4.917391 4.9
      • Bang For Your Buck 4.594828 4.6
      • Color Match 4.897561 4.9
      • Fit & Finish 4.643902 4.6

      • 4/5

        Installation Time: Less than 1 Hour

        March 01, 2013

        Looks great!

        These were very easy to install. They actually fit right on to the window. The hardest part was taking the backing off the double sided tape.


        Year: 2012 Submodel: V6 SoCal

        Helpful (12)

      • 5/5

        Installation Time: Less than 1 Hour

        July 08, 2013

        MMD Classic Quarter Window Louvers

        Thumbs Up! Getting them lined up perfectly was a little tricky but I managed to get it done. Used a trick where I peeled back the 3M tape at each place, just enough to pull it free once I had the louver lined up where I wanted it. I started by ling up the smallest corner at the rear, then lined up the bottom, and the rest fell right into place. Then carefully peeled the backing off while holding the louver in place and it worked like a dream. Color match was exact and they really make the car look mean. I still have decent visibility to my blind spots during the day, but have to rely on my mirrors at night. If you screw up lining them up during installation, don't fret. You can saw through the foam adhesive with braided fishing line, so you won't hurt anything. Clean off the adhesive and you can get another roll of the adhesive molding tape at any auto parts store. Once you get em on, you'll love the result!


        Year: 2013 Submodel: GT Austin, TX, USA

        Helpful (8)

      • 5/5

        Installation Time: Less than 1 Hour

        February 23, 2013


        Sweet but costly. car go faster now because of these, for real man!


        Year: 2013 Submodel: GT Maine, USA

        Helpful (5)

      • 5/5

        Installation Time: Less than 1 Hour

        May 07, 2014

        How cool is that?

        Wow! The window Louvers are a wonderful addition to an already cool Pony! Easy to install, perfect color match and MMD perfection to boot. The fit is as if Ford made the Louvers themselves.


        Year: 2014 Submodel: V6 North Carolina, USA

        Helpful (4)

      • 5/5

        Installation Time: Less than 1 Hour

        December 29, 2013

        My 1st mod.

        I received these for Christmas, and installed them yesterday. I went to a local auto store for better 3M tape, just to be safe. These louvers really give the car a more "muscle" like feel. Visibility is impacted by a lot, but you can still see through the slots in the louvers. Also, when looking in the mirrors, you'll notice them, but they wont affect visibility when looking at your mirrors. Very good product.


        Year: 2013 Submodel: GT Virginia, USA

        Helpful (4)

      • 5/5

        Installation Time: Less than 1 Hour

        March 08, 2013

        Looks Great

        Love them on my 2013 Mustang !!!! These fit great and very easy to install. You will not be disapointed !!


        Year: 2013 Submodel: GT Maceo, KY

        Helpful (4)

      • 5/5

        Installation Time: Less than 1 Hour

        February 18, 2013

        Pre-Painted Window Louvers Installation

        I love them!!! I purchased these shortly after American Muscle made them available. I particularly liked the idea that they attach to the glass window rather then to the body of the car. You really don't have any measurements to take to center them, as they are manufactured to fit just inside the body frame of the window. Trial fit them before applying the tape to get comfortable with the installation, then just follow the instructions. Clean the glass and louvers with the alcohol rubs, apply the adhesion promoter to both parts, add the 3M tape and then install. You'll like the result.


        Year: 2013 Submodel: GT California, USA

        Helpful (4)

      • 5/5

        Installation Time: Less than 1 Hour

        December 30, 2012

        Perfect! And a fraction of the cost compared to the dealer!

        Easy to install, perfect color match, great price, and look awesome,


        Year: 2013 Submodel: GT Georgia, USA

        Helpful (4)

      • 5/5

        Installation Time: Less than 1 Hour

        May 22, 2014

        Excellent Dress Up Accessory

        Pros: Material quality is excellent; Paint and finish are exact match with my '10 GT, Fit and installation was a snap. New velcro-type tape is very strong and easy to install. I have had no problems with gaps or loose areas to date. As many reviewers have stated, make sure you do your homework and prep the windows beforehand. Tape would be difficult to remove. Follow instruction sheet as noted and you should be ok. Louvers add nice appearance to car. Slats in louvers allow for limited vision so you will need to depend more on side mirrors when in reverse, parking, etc. Cons: Alohol prep creates dull film over window; nothing major since louver covers that area but it is unsightly. Price is the standard for this type of product, but it is still a bit expensive overall.


        Year: 2010 Submodel: GT Minnesota, USA

        Helpful (3)

      • 1/5

        May 19, 2014

        had to return

        first received wrong installation kit and instructions. received correct tape and instructions. Instructions fairly simple but to much of a gap between tape and window and would not stick. sadly had to return.


        Year: 2013 Submodel: GT Porter, TX

        Helpful (3)

        • Response from AmericanMuscle

          Unfortunately, it sounds like the louvers you received were not molded properly. We can certainly have a replacement set shipped out for you if you'd like - just give our customer service a call and let us know.

          Lisa, Customer Care

      • 5/5

        Installation Time: Less than 1 Hour

        October 08, 2013

        great look

        These window louvers look great they make your stang set out from the rest.As always a great looking product and easy to install.


        Year: 2013 Submodel: V6 Tyaskin, MD 21865, USA

        Helpful (3)

      • 5/5

        Installation Time: Less than 1 Hour

        September 06, 2013

        Quarter window louvers

        Delivery was quick!...Great product (quality, fit, color match), only issue was the 3M tape provided was not a good adhesive (not sticky on one side?).


        Year: 2014 Submodel: GT Newark, DE

        Helpful (3)

      • 4/5

        Installation Time: Less than 1 Hour

        September 04, 2013

        Mounting tape issues...

        I LOVE the way these look. I had them installed on my 2012 5.0 and just added them to my 2013 GT500. There is a problem with the fit. It gets blamed on the tape but if the louver laid flat this would keep it from pulling away so hard eventually causing the tape to fail at the rear corner. I'm having the dealership remove and reinstall mine hoping to provide permanent solution. FYI its not that bad and a lot of people could just live with the 1/8" -1/4" gap created when the tape gives...I can't.


        Year: 2013 Submodel: GT500

        Helpful (3)

      • 5/5

        Installation Time: Less than 1 Hour

        April 05, 2013

        Lots of style for the money

        Another top quality AM pre-painted part, perfect color match, nice smooth paint finish with not a speck of dust in it. Easy installation, I do not recommend the black vinyl decal to cover the window, because you still have some vision out of these and the louver doesn't look bad from the inside looking out. Buy 'em and you won't be disappointed


        Year: 2013 Submodel: V6 Perryopolis, PA, USA

        Helpful (3)

      • 5/5

        Installation Time: Less than 1 Hour

        July 13, 2017

        Review from SpeedForm Classic Quarter Window Louvers - Unpainted (10-14 All)

        Looks great!

        Definitely a very affordable and eye popping addition to my mustang. Everyone tells me how great it looks, and it just gives it a great look. I went with this one over the $200 ones because I didn't feel it was worth spending that much more money for it, unless you want it to be painted. As for installation, it only took me about 20 min to install both. It was very easy, and it is stuck on good. I've gone north of 100mph with it on and they're still stuck on strong!


        Year: 2014 Submodel: V6

        Helpful (2)

      • 5/5

        Installation Time: Less than 1 Hour

        June 09, 2017

        Great looks, easy install.

        Went on fast, and super easy. I cleaned the whole window before I put it on. If you have problems with the tape not sticking. Use a hair dryer on the problem area, and hold it down till it cools off. They are on for good. Looks even better in person, and the color is spot on!


        Year: 2013 Submodel: GT

        Helpful (2)

      • 2/5

        Installation Time: Less than 1 Hour

        March 23, 2017

        Beware !!

        The louvers look great on the car, but I'm giving two stars for one reason. The instructions state to apply 3m adhesion promoter to both the mounting points on louvers AND THE OUTSIDE OF WINDOW WHERE LOUVERS WILL ADHERE. The adhesion promoter appears to have etched the glass. Unable to clean it off. Now if I decide to eliminate the louvers down the road, I will have to replace the windows as well.


        Year: 2014 Submodel: GT

        Helpful (2)

      • 5/5

        Installation Time: Less than 1 Hour

        January 20, 2015

        Love the way it looks!

        My quarter window louvers arrived within 3 business days and I couldn't wait to get them installed! The installation was fast and easy. I had one problem with one of the adhesives not sticking to the louver, which made the louver stick out from the window. I painted that little section with some contact cement, held it down against the glass and it is sticking perfectly so far after about 2 weeks in cold, rainy weather. It gets really hot in the Houston area in the summer months, so we'll see if it continues to hold. If not, I'll just reapply. Overall I'm very happy with how it turned out.


        Year: 2012 Submodel: V6 Houston, TX, USA

        Helpful (2)

      • 5/5

        Installation Time: Less than 1 Hour

        May 20, 2013

        Forget the install kit

        Received my order promptly and did the install the following Saturday morning. I've installed louvers before and knew that the whole thing can go bad quickly. I followed the direction precisely and had them installed in less than an hour. After about an hour I went to check them to make sure all was well. That's when I noticed the rear edge on the left and the front edge on the right had turned loose from the louvers so I just removed them altogether and cut my own strips from a roll of 3M moulding tape and washed the windows down with rubbing alcohol and reinstalled. Stuck immediately and still stuck. They look great on my GT/CS. Get some 3M moulding tape and throw that install kit away. It's junk!


        Year: 2014 Submodel: GT West Palm Beach, FL, USA

        Helpful (2)

      • 5/5

        Installation Time: Less than 1 Hour

        August 22, 2017

        a must have for a sweet ride

        Easy install, a little pricy for pre-painted but worth it


        Year: 2013 Submodel: V6

        Helpful (1)

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