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Perrin Gurney Flap for OEM Short Spoiler - 2015+ WRX / 2015+ STI

Perrin Gurney Flap for OEM Short Spoiler - 2015+ WRX / 2015+ STI

Features and Specifications
Here's another way to give your vehicle a race inspired look and feeling without a huge wing. It looks purpose built, and compliments other accessories like rear diffusers. The installation is straightforward and the product comes with detailed instructions.

Perrin's historic quality and engineering is continually apparent in everything they release. This simple piece is no exception, and despite being simple, you can tell that attention to detail was paid when it comes to fit and finish.

NOTE: Requires the low profile OEM or low profile OEM look spoiler (OLM / Seibon Low Profile).


After sending the PERRIN Gurney Flap in for professional flow analysis, it was determined that it decreases overall lift of the car while only slightly increasing drag. This means the aerodynamic efficiency of the system is increased.

Analysis has shown the PERRIN Gurney Flap increases downforce by 35 lbs. at 75 mph, 62 lbs. at 100 mph, and nearly 100 lbs. at 125 mph.

Aggressive Aesthetics

The PERRIN Gurney Flap adds aggressive styling to your low-profile trunk spoiler. Without looking too intrusive, the Gurney flap modification adds a small amount of height to your existing spoiler for a clean, clearly modified look.


The PERRIN Gurney Flap has a small enough profile that rear visibility is virtually unchanged. After installation, the third brake light assembly still sits higher than the gurney flap.


The PERRIN Gurney Flap is constructed from 10g plate aluminum to eliminate corrosion and rusting. Precision laser cut, slotted holes allow for alignment adjustments during installation for a perfect fit.


Each PERRIN Gurney Flap has a semi-gloss black finish which looks good with every Subaru color. We ensure durability against the elements by using powdercoat paint which can be applied thicker and has a hard finish that is tougher than conventional paint.


Installation of the PERRIN Gurney Flap is easy with our step-by-step instructions and addition of our included thread insert hand tool. The PERRIN Gurney Flap does require drilling into the existing low-profile trunk spoiler and the final look is definitely worth it.


PERRIN Performance warrants to the original purchaser, all PERRIN products to be free from defects in material and workmanship within a sixty (60) month period from the date of purchase. *Some exclusions apply

This Part Fits

2015-2017 Subaru STI Perrin Gurney Flap for OEM Short Spoiler

2015-2017 Subaru WRX Perrin Gurney Flap for OEM Short Spoiler

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