2015-2019 Subaru WRX/STI Gurney Flap by Perrin
The PERRIN Gurney Flap adds aggressive styling to the low-profile trunk spoiler. The Gurney Flap modification adds just enough height to the existing spoiler to provide a clean, noticeably modified look without being too intrusive.
The PERRIN Gurney Flap is made from 10g 6061-T6 plate aluminum to prevent corrosion and rust. Precision laser cutting and slotted holes allow for alignment adjustments during installation for a perfect fit. The PERRIN Gurney Flap is small enough that rear visibility is barely affected. After installation, the third brake light assembly remains higher than the Gurney Flap. Installation of the PERRIN Gurney Flap is easy with step-by-step instructions and the inclusion of a thread-sert hand tool. The PERRIN Gurney Flap requires drilling into your existing low-profile trunk spoiler, but the final look is definitely worth it.
When we sent the PERRIN Gurney Flap for professional flow analysis, it was found that while drag increases slightly, the vehicle's overall lift decreases. This means the aerodynamic efficiency of the system is improved.
Features
- 10g 6061-T6 plate aluminum construction
- Laser-cut slotted holes for a perfect fit
- Powder-coated semi-gloss black finish
Benefits
- Aggressive aesthetics
- 35 lbs increased downforce
- 35 lbs increased downforce
- 35 lbs of downforce at 115 mph, 62 lbs at 160 mph, and approximately 100 lbs at 195 mph
Note:
- Fits low-profile trunk spoilers only
Applications
- 2015-2019 Subaru WRX
- 2015-2019 Subaru WRX STI
What's in the box?
- 1 - Perrin Gurney Flap
- 1 - Installation tool
- All necessary mounting hardware
- Installation instructions
- Warranty information
- Sticker
Warranty
- Perrin Performance 5-year limited warranty
Before Ordering
〇 Regarding import duties and taxes
At the Shaftoya shopping site, we pay the import duties and taxes incurred at the time of import on your behalf, so there are no additional charges beyond the total amount paid at checkout.
〇Confirmation of fitment
All product databases are based on North American vehicles (USDM), so please verify whether or not the product can be installed on Japanese vehicles (JDM) before ordering. (If you are unsure if the listed product fits your vehicle, please feel free to contact us. Our support team will be happy to look into it for you.)
If you place an order without confirming fitment, we cannot accept returns due to incompatibility.
Please note that even if products are sorted by selecting the year, manufacturer, and vehicle model in the tabs on our homepage, this does not necessarily mean they will fit Japanese models without modification.
All products have been translated into Japanese using translation software. As there may be confusing expressions, please contact us before ordering if you have any questions.
○ Regarding delivery
Shipping costs will be paid at the time of checkout. Shipping estimates are automatically calculated once you enter your shipping address on the checkout page. For large items such as body parts, there may occasionally be a significant discrepancy between the automatically calculated shipping cost and the actual shipping cost. In such cases, we will contact you individually by email.
All products are generally shipped internationally from our US warehouse. Unlike domestic shipping in Japan, international shipping takes about 7 to 14 days, so please order with enough time to spare. If you are in a hurry, please contact us in advance to check the delivery time. Please note that all products are transported by air; they are not shipped by sea.
○ Regarding compliance with Japanese vehicle inspections (Shaken)
All products we handle are designed and manufactured outside of Japan. Please note that they do not comply with the "Japanese vehicle inspection system," and we are unable to provide strength calculation documents for such inspections. Therefore, all parts are sold for use on "circuits, private property, or off-road," and installation and use are at your own risk.
○ Regarding warranty
Please check the contents immediately upon arrival. Since all products are shipped internationally from outside Japan, there may be shipping damage to the packaging or the product itself. We will only provide returns, refunds, or replacements for products with shipping damage, defective products, or incorrect items if you contact us within 7 days of receipt. Please note that for products sold through us, warranty support will be handled "only through us." We do not provide support through other companies or distributors located within Japan.