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SubiSpeed
SubiSpeed VA Gurney Flap for OEM Short Spoiler
2015-2021 Subaru WRX & STI
This gurney flap provides a performance boost and styling appeal for your 2015+ WRX / STI w/ low profile spoiler.
NOTE: Requires the low profile OEM or low profile OEM look spoiler (OLM / Seibon Low Profile).
Details
SubiSpeed's VA Gurney Flap
With its simple install and OEM based styling, this add on will be a favorite for many 2015+ WRX / STI owners. Adding it to your vehicle results in a small amount of drag, but a good amount of downforce at speed.
NOTE: Requires the low profile OEM or low profile OEM look spoiler (OLM / Seibon Low Profile).
SubiSpeed Installation Video
NOTE: The recommended temperature range for both the vehicle surface and the part during application is 18 - 40 °C (64.4 - 104°F). Additional heat is not required for 3M pressure sensitive adhesives.
OEM Based Styling
The OEM low profile spoiler is a clean factory piece. The SubiSpeed VA Gurney Flap keeps the lower center portion as part of its design and has a clean surface on the backside. No mechanical fasteners.
This design looks good with the OLM RÜF Spoiler which has the same design elements.
The 3M Way
Local manufacturing experts in Des Moines, IA were able to use their extensive knowledge of automotive design and production to come up with a solid mounting solution.
PT1100 is a 3M Acrylic Plus Tape black foamed acrylic adhesive with additional acrylic adhesive on both sides. Typical applications are attachments of rigid add-on-parts such as spoiler, rocker panel, antenna housings, roof ditch moldings and wheel arch extensions, etc., where an aesthetic bond line is required.
It is cold temperature impact resistant and does not allow the gurney flap to have play after installed unlike many adhesives would.
A pull test with a Wagner force gauge was performed on the gurney flap. It resulted in 21-22 lbs of force before peel in zones 1 / 3 and over 50 lbs in zone 2 before the gauge moved along the axis of the gurney flap. These single point tests suggest much higher adhesion strength along the entire surface of the flap.
3M rates their tape at a 90 degree peel adhesion for 44 newtons per centimeter. This converts to about 25 lbs per inch of tape. The gurney has the force applied to the tape at approximately a 75 degree angle from horizontal. This gives an even larger factor of safety.
Pre Bent
In order to relieve the tension found in a flat piece of metal, the gurney flap takes a journey through a roll bender. This machine has been programmed to match the curve of the OEM spoiler. This was a key element that allowed proper installation without mechanical fasteners.
4 customer reviews
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Great little addition
By Anthony November 2, 2018If you wanted the Perrin version and don’t want to drill, buy this. Material is quality and once put on, it’s not moving. I suggest having a second person to help just because once that 3m touches the spoiler, it STICKS.
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Easy Mod, Big Difference
By Josh March 7, 2018Super easy to install with the provided template. Didn't know if it would make too dramatic of a difference on my 2018 STi because the car is already black, but it's a very subtle addition that gives the car a much more aggressive look without having a large wing.
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Great Product
By Zac January 29, 2018Deciding between this gurney flap vs the other options available on here and throughout the web was quite a challenge. I wanted something simplistic that wouldn't leave me with yet another OEM piece laying around my garage, which certainly help sway me towards this product over others. Install was fairly straightforward/simple...just clean the are, prep with alcohol wipe/adhesion promoter, then stick the flap on once you have it lined up, and leave it to cure. Didn't take more than 30 mins or so from start to finish, installing it alone. The piece itself is sturdy metal, and the adhesive holds extremely strong. I would definitely recommend this product to anyone looking for a slightly more aggressive look, without having to do much, if any, labor/install work.
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Style above all else`
By Kyle February 16, 2017So I was skeptical when picking this one up over the Perrin flap, but i did not have to drill any holes in my spoiler so I went for it. With this flap, there are plenty of ways to install it to suit the look you want that I saw. I recessed the flap a bit further down on the spoiler and it looks sick. if you can get past the adhesion promoter smell, then you need to get this. Its extremely lightweight and works better than I expected. Reminder: you seriously should wait to drive your rex 24 hours after installing this piece. The directions tell you do to so, so don't undermine that aspect. if you wait, the flap will hold like it was welded on.
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