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SpeedForm Sport Quarter Window Louver - Matte Black (15-18 Fastback)

Market Price $49.99 You Save 20% ($10.00)
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$39.99 (pair)

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  • Item 403355
  • MPN# 403355

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    Features & Details

    • Chevron Shaped Louvered Design
    • Matte Black Finish
    • Vacuum Form ABS Construction
    • Simple Peel and Stick Installation
    • Driver and Passenger Side Louvers Included
    • Fits all 2015-2018 Fastback Mustang Models
    Sporty Styling. Add a sporty appearance to your 2015-2018 Fastback Mustang with a set of SpeedForm Sport Quarter Window Louvers. Featuring a louvered chevron design, these C-Pillar Window Louvers will enhance the bold styling of your S550 Pony's body lines.

    Quality Construction and Materials. SpeedForm's Sport Quarter Window Louvers are manufactured from vacuum-formed acrylonitrile butadiene styrene (ABS) plastic for its light weight and long lasting durability. These Quarter Window Louvers are then completed in a smooth matte black finish for aggressive good looks.

    Peel and Stick Installation. No messy glue or drilling is required for installation. These SpeedForm Sport Quarter Window Louvers are designed to attach to the factory C-Pillar glass with the supplied 3M doubled sided automotive bonding tape for a quick and easy installation. Just clean the surface, peel the backing and stick in place - it's that easy.

    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. See part number 386505.

    Application. These matte black SpeedForm Sport Quarter Window Louvers are designed to fit all 2015-2018 Fastback Mustangs, including the V6, EcoBoost, GT, and Shelby GT350 models. Sold as a set of two, one driver side and one passenger side.

    Fitment: 2015 2016 2017 2018 Details

    What's in the Box
    • (1) Passenger Side - Quarter Window Louver
    • (1) Driver Side - Quarter Window Louver
    • (1) Roll of Automotive Bonding Tape
    Installation Info
    Will it fit my Mustang?

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    Questions & Answers (1)

    1 Top Rated Question

    I've always been a little concerned that most of the louvers completely block any view. These appear to be shaped such that the driver may be able to see through them ie: they don't create a big blind spot? Is that the case?

    • The angle that the slots are positionedallows for a clear view through them. They do not cause much obstruction. 

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    Customer Reviews (2) Write a Review

    Overall Rating 4

    out of 5 stars

    Installation Time:Less than 1 Hour

    • Fit 4.5 4.5
    • Appearance 4.5 4.5
    • Bang For Your Buck 4 4

    • 3/5

      Installation Time: Less than 1 Hour

      August 09, 2018

      You get what you pay for

      Simply put: these louvers are cheap, both in price, as well as quality. To begin with, they were poorly packaged. Thanks to the awesome care of UPS, the box arrived almost in shambles, but I figured that the louvers should be safely wrapped in at least some bubble wrap, like most (if not all) of the cosmetic products I have purchased/received from AM in the past. This wasn't the case. They were stacked ontop of one another, only protected by a plastic bag. Fortunately, after inspecting them, I didn't find any damage. The louvers themselves look ok, although I was honestly surprised by how "floppy" they felt. If you are expecting a rugged, firm, and strong ABS product, these are not that. The plastic used is rather thin, and I'm actually wondering if it will flex from air-pressure alone while driving at highway speeds. Furthermore, a roll of 3m tape was supplied, but did not contain any adhesive enhancing prep-pads, which are always included in AM's 3m-required parts. These are a must in order to create a proper bond. The 3m tape also came in a roll, instead of in pre-cut strips, which again, is not what AM normally does. That said, I don't really mind, as I alway tend to use my own stronger automotive acrylic tape anyways. Just figured I should point this out, as it clearly shows that corners were cut in order to reduce the price. I have paid for pre-painted louvers for my old 2014 5.0, which were easily over $200. Those arrived to me well protected for shipping, and with all of the necessary hardware for installation (precut strips of 3M, and adhesion promoter). That said, you most likely won't find cheaper louvers than these, and they are noticeably cheaper than most. So even if I enjoy them for just a few months, the $40 will have been worth it. I do like their more "race-inspired" angular style that isn't really found in other louvers. As is normally the case with automotive parts (or other purchases in general) you definitely get what you pay for.


      Year: 2016 Submodel: GT

      Helpful (2)

    • 5/5

      Installation Time: Less than 1 Hour

      July 30, 2018

      Extraordinary scope for the window

      It’s a good add on for 2017 Mustang, it took very less time, worth the money. American muscle thank you :)


      Year: 2017 Submodel: GT

      Helpful (5)

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