This Perrin Gurney Flap is a perfect fit for 2011 - 2014 Subaru WRX Hatchbacks and 2008 - 2014 Subaru STI Hatchbacks. It decreases lift and slightly increases drag, greatly enhancing aerodynamic efficiency. Crafted from 10G 6061 - T6 plate aluminum, it's built to last. With precision laser - cut slotted holes, you can easily adjust the alignment for a flawless fit. It features a semi - gloss black finish with a white PERRIN logo, adding an aggressive and stylish look to your low - profile trunk spoiler. Installation is easy to intermediate, taking about 1 hour, and comes with clear installation instructions. You'll also get a 5 - year manufacturer warranty. Inside the box, you'll find a PERRIN Gurney Flap, a rivet nut tool, flat washers, button head socket cap screws, rivet nuts, socket cap screws, a star washer, a short arm hex key, a PERRIN License Plate Frame, and warranty and instruction documents. 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 drilling into the existing trunk spoiler is required.
Using the Perrin Gurney Flap is straightforward. First, gather all the tools included in the box. Make sure you have a safe and flat place to work on your car. Follow the installation instructions step - by - step. You'll need to drill into the existing trunk spoiler, so be careful and take your time. Once installed, you can enjoy the improved aerodynamics and stylish look. As for maintenance, keep it clean with a mild car wash soap and a soft cloth. Check the screws and nuts periodically to ensure they're tight. If you notice any damage, contact the manufacturer, as it comes with a 5 - year warranty.
