Seibon OE-Style Carbon Fiber Rear Spoiler

2015-2020 Subaru WRX & STI

Ships for free in the 48 states

SKU: RS15SBIMP-STIWe price match!

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Add the great look of a rich carbon fiber weave to your WRX or STI with the Seibon Carbon Fiber Rear Spoiler from SubiSpeed!

Free shipping to the lower 48 states.

Note: Please see description for additional details. By purchasing this product, you agree to Seibon's shipping terms.
You will earn Reward Points with this Purchase.


  • Aggressive carbon-fiber look in OE-Style Design
  • Mimics the appearance of the OEM STI rear spoiler
  • Made with real carbon fiber
  • Richer, deeper carbon fiber weave than typical vinyl
  • Drop-in replacement for STI rear spoilers
  • Does not require additional paint or prep-work
  • High-gloss finish for a great look
  • Requires drilling on WRX models

Complete STI-Style Wing made with Real Carbon Fiber

The factory STI wing looks pretty mean, but add in some real carbon fiber and you have something that will really turn some heads. The Seibon Carbon Fiber Rear Spoiler for the 2015-2020 STIs and WRX has all of the look of the OEM Subaru rear spoiler from the STIs, but is made using real carbon fiber that gives Seibon’s STI-Style wing a gorgeous carbon fiber weave pattern that adds a high-performance and stylish look to your awesome Subie build. The Seibon Carbon Fiber STI wing drops right into place of the stock STI wing and has all of the styling of the original STI wing, but with some carbon fiber flair.

Subaru STI OEM-Style Rear Wing made with Fiberglass Resin and Real Carbon Fiber

The Seibon Rear wing for 2015-2020 WRX and STIs is made out of durable materials and offers an excellent fit onto your aggressive Subie build. Seibon manufactures each of their STI rear wings out of a fiberglass resin that gives it the strength to handle both daily driving and time at the track. The fiberglass is then infused with real carbon fiber that gives the wing a deep, rich carbon fiber weave pattern that’s vastly superior to typical “carbon fiber” vinyl. Seibon’s rear wing installs right into place of the stock STI rear spoiler on 2015-2020 Subaru STIs and on 2015-2020 WRXs that are currently equipped with stock STI spoilers. Drilling will be required on WRXs with the stock trunk spoiler or other aftermarket spoilers.

  • 2015-2020 Subaru STI
  • 2015-2020 Subaru WRX (requires drilling)

Requires drilling on WRX models: this spoiler will require drilling for installation on WRXs that are only equipped with the OEM WRX trunk spoiler or aftermarket spoilers. The Seibon spoiler will only bolt on to a WRX currently equipped with an OEM STI rear spoiler.

Inspection and Damaged Goods

Your product can be shipped to you from your dealer, or directly from SEIBON. They examine and double-pack every item before shipping. However, due to the sizes of most items, handling can be awkward, and sometimes trucking staff do not handle them carefully. They must count on the consignee to examine the product’s condition upon receipt. If you notated all damages on the delivery receipt (which you should), then you can file a claim with the trucking company. You can also contact your dealer to obtain supporting documents from us, if required by the trucking company.


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2 customer reviews

Average rating
(based on 2 reviews)
Ease of Installation
Fit / Quality
Overall Satisfaction
  1. It's okay

    By Not perfect November 6, 2020

    Doesn't come with any instruction or template, you can find it online, or just use toothpaste. My wing came with imperfections, for the money you pay you would think you'll get a product that's was 5 Stars.

  2. Sick Aggressive Look

    By Marshall January 25, 2018

    This thing looks amazing. Plain and simple. Install is simple but tedious with all the measurements (as with any spoiler or wing really). It's all worth is because the carbon fiber look is definitely something you don't see often so its gonna turn some heads!

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