Spec STI Rear Diffuser

• 2022-2026 Subaru | WRX

You know that moment when you walk behind your WRX and think, “Something’s missing…”? We felt the same. The JDMuscle OE Style Rear Diffuser gives the 22–25 WRX the aggressive, balanced rear-end look it should’ve had from factory.

Built from high-quality ABS, this diffuser is lightweight, durable, and designed with tight, OEM-like fitment. No awkward gaps. No flimsy plastics. Just clean, assertive styling that instantly elevates your WRX.

Choose Your Finish — OEM Subaru Color Codes Available

Get your diffuser painted to your exact Subaru factory color using authentic codes, including:

Easy, Bolt-On Install

No cutting. No trimming. No stress.
Uses factory mounting points and includes all necessary hardware for a simple garage-friendly installation.

Style + Aero Function

Not only does it clean up the rear-end appearance, but its OE-style aero profile also helps smooth underbody airflow for improved stability at speed.

Quick Specs

• ABS construction
• OEM paint-matched using Subaru color codes
  
• Hardware included
  

Give your WRX the finishing touch it’s been missing.

Review our Shipping Policy for delivery details, shipping costs and exclusions.

• JDMuscle 1-Year Warranty & Lifetime Support

Eligibility, exclusions, applicable fees and exceptions are detailed in our Return Policy. Restrictions apply to special-order and custom products.

Proposition 65 Warnings: cancer and reproductive harm www.p65warnings.ca.gov