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JDMuscle

JDMuscle [22-26 WRX] Spec STI Rear Diffuser

JDMuscle [22-26 WRX] Spec STI Rear Diffuser

Regular price $219.00 USD
Regular price $219.00 USD Sale price $219.00 USD
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Shipping & returns

Shipping is calculated at checkout by size and destination. Most in-stock gear ships within a few business days; large freight items (campers, racks, bumpers) are made to order. Wrong fitment? Send it back within 30 days — we'll help you find the part that does fit.

Fitment & build help

Not sure if this fits your platform? Tell us your year, make, model, and trim — we'll confirm before you order. For bigger builds, we'll help you plan the full stack.

Warranty

Every product on this site ships through authorized channels with full manufacturer warranty. If something breaks in normal use, we'll help you get it resolved.

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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.

  • Ships from San Diego

    We ship from our San Diego dealer network. Most in-stock gear goes out within a few business days — shipping's calculated at checkout by size and destination.

  • Wrong fitment? We make it right.

    If a part doesn't fit your platform the way it should, send it back. We handle the return and find you the part that does.

  • Authorized dealer support

    Every product moves through proper channels. Full manufacturer warranty, real tech support — no gray-market headaches.