This Perrin Gurney Flap is designed specifically for 2011 - 2014 Subaru WRX Hatchbacks and 2008 - 2014 Subaru STI Hatchbacks. It enhances your car's aerodynamics by decreasing lift and slightly increasing drag. Made from 10G 6061 - T6 plate aluminum, it's durable and lightweight. The precision laser - cut with slotted holes allows for easy alignment adjustments for a perfect fit. It features a semi - gloss black finish with a white PERRIN logo, adding an aggressive and clean look to your low - profile trunk spoiler. Installation is relatively easy, taking about an hour, and comes with detailed instructions. You'll also get a 5 - year manufacturer warranty. The package includes a PERRIN Gurney Flap, a rivet nut tool, various washers, screws, and a PERRIN License Plate Frame. This flap increases downforce significantly, adding 35 lbs at 75 mph, 62 lbs at 100 mph, and nearly 100 lbs at 125 mph, without affecting rear visibility much. Note that you'll need to drill into the existing trunk spoiler for installation.




Using this Perrin Gurney Flap is a great way to improve your car's performance and style. First, gather all the tools included in the box. The installation process takes about an hour. Just follow the provided instructions carefully. Remember, you'll need to drill into the existing trunk spoiler, so be cautious during this step. Once installed, you'll notice an immediate improvement in downforce at higher speeds. As for maintenance, simply clean it with a mild soap and water solution regularly. Keep an eye on the screws and rivets to make sure they're tight. If you have any issues, the 5 - year manufacturer warranty has you covered.