As an Amazon Associate, we earn from qualifying purchases. Learn more

Best WRX Exterior & Aero Accessories to Buy

A roundup of the exterior and aero upgrades worth adding to a Subaru WRX — front lips, splitters, spoilers, wings, and diffusers that sharpen the look and add real downforce.

By WRX Parts Team Updated July 22, 2026

Exterior and aero parts are where a WRX goes from stock sedan to your build. The best ones sharpen the stance, add a bit of protection, and — on the functional pieces — real downforce. This roundup covers the categories worth your money and points you to both new parts on Amazon and used/OEM options on eBay Motors.

Front lips and splitters

A front lip is one of the highest-impact styling additions: it tightens up the nose, adds a bit of scrape protection, and sets off the whole front end. A true splitter goes further, generating front downforce at speed — worth it on a track car, mostly cosmetic on a street build. Browse the exterior category for options.

Spoilers and wings

From a subtle lip spoiler to a big adjustable GT wing, the rear is where WRX owners make the strongest visual statement. Choose based on your goals: a lip spoiler cleans up the look, while a proper wing on a track car adds rear downforce to balance a front splitter. Confirm fitment for your exact generation and trunk shape.

Side skirts and diffusers

Side skirts visually lower the car and tie the front and rear together; a rear diffuser adds aggression and, on functional designs, helps manage airflow under the car. Both are popular finishing pieces on a well-sorted exterior build.

Grilles and front-end styling

A new grille or mesh insert is a fast way to change the face of your WRX. Match the design to your generation for a clean fit, and pair it with a lip for a cohesive front end.

How to buy

  • New aero and exterior parts: Amazon Automotive — see the exterior category.
  • Used or OEM lips, spoilers, and skirts: eBay Motors, via the search buttons below.

Start with a front lip for the biggest visual payoff, then add a spoiler and skirts to round out the build.

Prefer used or OEM? Check eBay Motors

Live listings for these parts — prices set by the seller.

Frequently Asked Questions

Do WRX aero parts actually do anything, or are they just looks?
It depends on the part. A front lip and side skirts are mostly styling and light protection at street speeds, but a properly designed splitter and rear wing generate real downforce at track speeds. For a street car, most owners buy aero for the aggressive look; for a track car, choose functional pieces designed and mounted to work together.
Do exterior parts fit all WRX generations?
No — fitment depends on your WRX generation and body style (GD, GR, VA, VB sedan). Front lips, spoilers, and skirts are designed per generation, so always confirm the part is listed for your exact year and body before buying.