Subaru WRX (2015-2021) & STI Rear Under Spoiler Extension

  • $49.00

or make 4 interest-free payments of $12.25 fortnightly with Afterpay More info

Suits 2014-Present VA WRX & STI models



Our Rear Under Spoiler Extension is an accessory piece suitable only for our VA WRX/STI Rear Under Spoiler. 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)

Under Spoiler With Chassis Mounts sold seperately 

Kit Includes:

  • VA WRX/STI rear under spoiler extension
  • x2 Flow Designs stickers
  • Fitting kit with black stainless hardware

Material & Finish:

  • 4.5mm thick textured ABS 
  • Scratch resistant textured ABS plastic
  • CNC engraved logo and features
Install Instructions (PDF)