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SpeedForm Aluminum Rear Window Louvers (15-19 Fastback)

Market Price $499.49 You Save 10% ($49.54)
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$449.95 (each)

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  • Item 389269

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    Features, Video & Details

    • Great Retro Styling
    • Lift-Off One Piece Design
    • Matte Black Finish
    • Aluminum Construction
    • Paintable
    • Fit All 2015-2019 Mustang Fastbacks

    Review & Installation Video

    Review & Install Video

    Hey, everybody, Justin with AmericanMuscle.com here with my quick review of the aluminum rear window louvers, fitting your 2015 and up Fastback Mustang. So the term retro is one of those words that gets thrown around a lot when describing a specific Mustang part, almost to a fault, but if there was ever one mod or product that really, truly defined and embodied the term retro, it's a set of rear window louvers. Now, when looking at this, try not think mid-80s F-body or IROC-Z, but rather, think about the '69 to '70 Mach 1 or Boss 302, where the rear window louvers made their debut on the Mustang. So basically, what I'm trying to say is if you're into that old-school look, you want to evoke that old-school flavor on your S550, then this might just be the part for you. Now the big question is, does that retro look really work on the new sleek chassis of the S550? And in my opinion, guys, at first glance, yes, it does, and I think a big portion of that is due to the Fastback design. When installed, the louver really doesn't look out of place, and actually looks pretty low-profile from all angles. I do have one nitpick though, however, and that's the amount of dead space that's located between the louver itself and the top of the trunk lid when installed. Now, if you look at MMD's plastic version of the rear window louver, I think it does a much better job of covering the entire back window, but again, their louver is a completely different design, much more modern when compared to the aluminum one I have with me here. As for the build, we are again looking at that durable and light-weight aluminum. For the construction, it has been finished off in this matte black powder coat, as you can see, but just a quick heads-up, guys, this thing is paintable, so if you did want to have it color-matched to your ride, just for a different look, that is something you could do. Now let's quickly touch on visibility because I'm sure a lot of you guys watching at home are probably wondering, "Will this thing impair my vision?" And honestly, yes, you can expect a slight impairment, obviously, because this thing pretty much is covering your rear window. However, with that being said, it's not as bad as you might think. In fact, we have some pretty decent footage for you here, showing your view out of the rear window. Again, don't forget you have your backup camera to work with. So at the end of the day, is it a deal breaker for me? Absolutely not. This thing is going to ship to you in a couple of different pieces, but once assembled, obviously it becomes one piece, and that's going to make the removal much easier to clean the back window, and I actually think it makes the install slightly easier as well. Now, your included alcohol prep pads and adhesion promoter are going to be the big keys here, guys, as you are looking for that strong bond. And another tip, make sure you check the trunk clearance once or twice before really adhering this thing to the back window. So just open and close it once just to make sure you're not getting any rubbing. Again, not the hardest install in the world, one out of three wrenches on my difficulty meter. A little time-consuming, but just take your time and you'll be all wrapped up in an hour or two from start to finish. All right, guys, to wrap this one up, if you are a fan of the rear louver design for your new S550, here's why you might want to consider this option. Again, you are getting that durable aluminum construction. You are getting the more traditional look, and you are getting a one-piece design, making it much easier to remove and clean the back window. So be sure to check out this and other options for your Fastback S550 here at AmericanMuscle.com.

    Retro Styling. Add some classic retro styling to your 2015-2019 Mustang with these high quality SpeedForm Aluminum Rear Window Louvers. Rear window louvers were very popular on muscle cars back in the 60s and 70s. Install these rear window louvers and not only reduce interior temperatures, but add visual appeal and increase privacy in your S550 Mustang.

    Paintable Matte Black Finish. Completed in an aggressive matte black finish, these lightweight yet durable Aluminum Rear Window Louvers can be installed as is, or can be painted to match your Mustang's exterior for a more customized appearance.

    Lift-Off Design. Featuring a lift-off design, these Rear Window Louvers will give your modern Pony some classic muscle car styling without compromising visibility and can easily be removed to keep your back window clean.

    Application. These SpeedForm Aluminum Rear Window Louvers are designed to fit all 2015-2019 Ford Mustang Fastbacks including the V6, GT, EcoBoost and GT350 models.

    Fitment: 2015 2016 2017 2018 2019 Details

    MPN# 389269

    CA Residents: WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov

    What's in the Box
    • (2) Aluminum Louver Pieces
    • (6) Tie Down Plates
    • (1) Center Splint w/ Foam
    • Installation Hardware
    Installation Info
    Tech Specs
    Specifications:
    • Material: Aluminum
    • Finish: Matte
    • Color: Black
    • Requires Painting: No
    • Paintable: Yes
    • Hinged: No
    Will it fit my Mustang?

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    Questions & Answers (20)

    5 Top Rated Questions

    Would it survive an automatic car wash or need to be removed each time?

    • Remove it. But you shouldn't be taking a new car through an automatic wash anyway.

    Helpful (5) Show 1 more answer

    How about the fitment? Any sounds or knocks when you drive and\or hit any bumps? Can you provide a few pics?

    • Nothing that is substantial. You can hear a very faint rattle at highway speeds. Nothing crazy.

    Helpful (4) Show 1 more answer

    Im very interested in these louvers. My concern is road noise (vibration,wind). I saw a few people mention this in the comment section. Is this normal or were the louvers they bought defective?

    • As long as the Louvers are installed correctly with the provided adhesive, you should not experience vibration when driving. Due to the design and dimensions of a rear window louver, you can expect a small addition of wind noise to your drive, but nothing I would consider drastic.

    Helpful (2)

    Will this go over window tint and stick fine , as that's the first thing I'm going to do. I pick my car up this Wednesday and I`m trying to get everything that I like all together. I had an old Mustang and it had the louvre on back window aswell as the small windows and I totally loved it. I don't really care for the plastic one as its not straight across , kinda droops lol

    • Hello! Generally speaking, most window tint is going to be applied to the inside of the window, so you shouldn't have to worry about the SpeedForm Aluminum Rear Window Louvers sticking. If you are having tint applied to the outside of your window, you should consult with the tint shop about applying these louvers.

    Helpful (2)

    Can this be made to be more secure? Seems like anyone can just walk up, undo 4 thumb screws and walk away with it...

    • The mounting brackets that are included with the rear window louver are designed to keep the product secure and mounted to the vehicle when installed. You may be able to find another form of brackets you can use for this rear window louver but would not recommend modifying the brackets included as they will be most secure as designed by the manufacture.

    Helpful (2) Show 1 more answer
    Post Your Question
    10 More Questions
    Will it fit a Shelby gt350? 1 answer
    This is a very tempting mod. If I don't like it, can it be removed without a trace? I'm leaning toward the metal one--I think it looks cleaner. 1 answer
    I'm on the fence between these and the plastic ones. I like the look of the plastic ones more but i feel like aluminum is a better choice for durability. Any input? 1 answer
    Is this product involve any drilling to the frame of the car? 1 answer
    How do I contact the manufacturer to get parts? I need some replacement thumb screws and I dont have any paperwork on them since it has been over a year since I bought them. 1 answer
    If I should not like it or get tired of it at some point, could it be removed without a trace? 1 answer
    Over time I have lost a couple of the small attachment nuts/caps. Could you please give me the exact specs on the size of these. I’m looking to buy some black metal acorn nuts to replace the plastic faded ones that it comes with. Thx. Rob 0 answer
    Can this louver be removed completely including the brackets or is it a permanent installation? 1 answer
    Does this cover the light on the rear glass? 1 answer
    Are there any plans to make them form fitting to the window? Referencing the comment that the window is curved and the louvers are straight. 1 answer

    Recommended For You

    Customer Reviews (76) Write a Review

    Overall Rating 4.6

    out of 5 stars

    Installation Time:Afternoon

    • Fit 4.728571 4.7
    • Appearance 4.914286 4.9
    • Bang For Your Buck 4.271429 4.3



    • 5/5

      Installation Time: Less than 1 Hour

      January 19, 2019

      Great Product

      This product is exactly as described. It comes in two sections and is easily assembled into one piece. Installation is a breeze. Looks great on the vehicle if you are into the classic look. It also has helped keep sun out of the car. Combined with a windshield sun visor, I have noticed my interior to be cooler when in the sun.

      JohnnyD

      Year: 2018 Submodel: GT350

      Helpful (0)

    • 5/5

      Installation Time: Afternoon

      January 09, 2019

      Looks Good!

      I installed this in about 2 hours after the assembly. Then removed it and painted it to match the car(shadow black). Black silicone around mounting plates after the VHB tape cures(24hrs). Very happy. No broken studs like some other ones and no noise whatsoever. Follow instructions on window cleaning and preparation. Do not use windex. Use soap and water. Looks good with my race wing from Steeda.

      dRauG

      Year: 2017 Submodel: GT

      Helpful (1)

    • 4/5

      Installation Time: Less than 1 Hour

      December 29, 2018

      Happy but....

      Easy to install. Definitely looks good. Only complaint I probably have is that the plastic/nylon I think, acorn nuts that are used to attach the louver, fade from black to white over a short period of time. Never thought I’d have to worry about that. Kinda odd.

      RobertP

      Year: 2016 Submodel: GT

      Helpful (1)

    • 4/5

      December 27, 2018

      Almost Perfect

      Product is, overall, pretty great. The install hardware provided is plenty sufficient, and the louvers themselves feel like good quality. The only problem I have is that on one side, the two pieces don't line up straight on the edge. They can be coarsed to fit, but wiggle out of alignment after a while.

      UB3RNOOB

      Year: 2018 Submodel: GT

      Helpful (2)

    • 4/5

      Installation Time: Weekend

      November 27, 2018

      The "retro" look you want.

      Not gonna lie, this is one of the more expensive accessories for your S550. If the retro early 70's is the look you are going for, this is the accessory you need. Take your time to measure and verify there the backing plates will be installed - you may want to triple and quadruple check where the plates go before you commit to the final install. I am noting it will take you a weekend to install as you need to allow the plates 24 hours to install on your rear window before you can install the louver. Don't forget to get clear silicone for caulk around the mount plates once you install.

      OskarC

      Year: 2018 Submodel: EcoBoost

      Helpful (2)

    • 5/5

      Installation Time: Afternoon

      November 20, 2018

      Louver lover

      Easy install and adds a nice look to the car. Not too many other Mustangs in my area with louvers so they set the car apart from the others.

      Rocketman

      Year: 2017 Submodel: GT

      Helpful (2)

    • 4/5

      November 08, 2018

      Louveers

      Looks good maybe should have tried tweaking them for better fit. Not a fan of the two piece setup.

      JamesP

      Year: 2015 Submodel: GT

      Helpful (2)

    • 5/5

      Installation Time: Less than 1 Hour

      September 06, 2018

      Awesome Back Louvers

      These louvers are very nice quality, all lines straight and smooth unlike plastic louvers that look warped an cheap. Fit is perfect, plenty of trunk lid clearance, easy to install. very lower view interference does to block view the louvers lay level with view so all you see is line like rear defogger

      RobertS

      Year: 2018 Submodel: EcoBoost

      Helpful (1)

    • 5/5

      Installation Time: Afternoon

      September 05, 2018

      Speedform Aluminum Rear Louvers

      I love the look it gives my 5.0. They rattle like crazy! But, the look outweighs the rattle for me.

      LeonardC

      Year: 2017 Submodel: GT

      Helpful (1)

    • 5/5

      Installation Time: Afternoon

      July 24, 2018

      2018 GT

      Very good product. Shades the inside of the car well.

      JamesS

      Year: 2018 Submodel: GT

      Helpful (4)

    • 5/5

      Installation Time: Afternoon

      July 17, 2018

      OH Yeah

      The louvre changed the whole look of the car. I remember the days of the early 70s Mustang and this product hit the mark of that era.

      Frank

      Year: 2015 Submodel: GT

      Helpful (4)

    • 5/5

      Installation Time: Less than 1 Hour

      July 15, 2018

      Window Louvers

      The louvers fit great and were easy to install. Cuts that rear window glare down.

      ThomasF

      Year: 2015 Submodel: GT

      Helpful (2)

    • 4/5

      Installation Time: Afternoon

      July 03, 2018

      Louvers

      Great product to make your pony standout from the rest in your city

      Sean

      Year: 2016 Submodel: GT

      Helpful (1)

    • 5/5

      Installation Time: Less than 1 Hour

      June 27, 2018

      Louvers

      I really liked the quality of the product. Looks great on my red car

      ChrisH

      Helpful (2)

    • 5/5

      Installation Time: Less than 1 Hour

      June 25, 2018

      phat

      looks great easy install, be carefull handling. The paint is easy to damage. helps keep the sun out and cooler plus looks cool, and recomend front sun sheild. could be lower cost

      Wyatt

      Year: 2017 Submodel: EcoBoost

      Helpful (2)

    • 5/5

      Installation Time: Afternoon

      June 22, 2018

      Awsome

      Ordered the ABS louvers first but when it landed it look like the same finish you would find on a bagger on a riding lawm mower. Probably be ok on a Yugo bit not on a Cobra. The two piece aluminum louves are so much better in style and quality that really adds a distinctive look to the car.

      RobertH

      Year: 2016 Submodel: GT350

      Helpful (4)

    • 5/5

      Installation Time: Less than 1 Hour

      June 13, 2018

      Retro Style

      I always liked the louvers on the 69-70 Mach 1s, SO when I saw these louvers made for my 15 GT I had to have them. I went with the Powder coated aluminum over the ABS plastic because , well I don't need any more plastic to treat on my vehicle.

      StangRay

      Year: 2015 Submodel: GT

      Helpful (4)

    • 5/5

      Installation Time: Shop Install

      April 11, 2018

      rear window louvers

      These look great on my mustang Nice product, but they do interfere with radio reception blocks intena

      michaeld

      Year: 2016 Submodel: V6

      Helpful (3)

    • 5/5

      Installation Time: Less than 1 Hour

      April 10, 2018

      REAR WINDOW

      I really like the quality of this window, easy to install

      MichellA

      Year: 2017 Submodel: V6

      Helpful (3)

    • 5/5

      Installation Time: Less than 1 Hour

      March 26, 2018

      Awesome old school look!

      Going with the Aluminum over the plastic MMD was a great choice!

      JordanJ

      Year: 2015 Submodel: GT

      Helpful (2)

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