Exterior Components› Body Panels and Components

Subaru

STI Rear Under Diffuser Black - 2022 WRX

$698.47

SKU: S00N SG517VC310

In Stock
In Stock
Ships by Jun 7
Free Shipping
Non-Returnable Item
INSTALL DIFFICULTY
DIY PRO SHOP

Moderate — 2–4 hours

Description

The design of this product connects from the front spoiler to the rear of the vehicle. It is fitted to the blackout area of the lower rear bumper to further sharpen the underbody of the NEW WRX S4. This motorsport-inspired diffuser helps to rectify airflow in the rear underfloor and improves vehicle responsiveness. Painted in crystal black silica.

Fitment

Fitment Guaranteed

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Log your build in the MOTORMIA app and we’ll guarantee this part fits your exact setup — or your money back, return shipping covered.

Available on iOS & Android

Specifications

BrandSubaru
Part NumberS00N SG517VC310

Videos

2022 WRX JDM Rear Diffuser Install

2022 WRX JDM Rear Diffuser Install

Buy with Confidence

Built for enthusiasts. Every order is backed by our 30 day return window on eligible items. Unused and uninstalled products may be returned with approved RMA and no restocking fees when received in new condition. Orders placed through the MOTORMIA app with a complete build qualify for our Fitment Guarantee — free return shipping if the part doesn’t fit your exact setup. The guarantee covers fit only; installation must follow manufacturer instructions, and we recommend a qualified shop for parts marked Difficulty 4–5.

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