Flow Designs Rear Diffuser Extension - 15-20 WRX/STI
SKU: FLD VAVALEX$99.95
or 4 payments of with 
Starting at $18/mo with Affirm. See if you qualify
This design gives you the flexibility to run the spoiler conservatively or more aggressively, with a simple 4mm Allen key wrench. Adjustments can be done in just a few minutes when installed on the car.
Full movement can be seen in the video above. Once the desired position is set, tighten and you're ready to go. Please note the extension will require the Rear Under Spoiler (sold seperately).
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