2015-2021 Subaru WRX STI H Style Rear Lip Diffuser


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Sale price$349.00
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2015–2021 Subaru WRX STI H Style Rear Lip Diffuser

Brand: AusBody Works
Material: ABS
Fitment: Subaru WRX STI VA (2015–2021)
Finish: Unpainted – matte black (raw finish, not painted or primed / can be used as is)


Product Overview

Add a bold, race-inspired touch to your WRX STI with this H Style Rear Lip Diffuser. Designed to complement the car’s aggressive lines, this diffuser enhances the rear profile with a more dynamic, aerodynamic look while maintaining OEM fitment precision.

Crafted from high-quality ABS, it offers excellent strength, flexibility, and resistance to cracking — ideal for both street and track builds.

⚠️ Note: Supplied unpainted in matte black raw form. This diffuser is not painted or primed, and minor surface marks or moulding lines are normal. Sanding and primer are recommended before painting for a professional finish.


Key Features

  • Perfect fitment – made for Subaru WRX STI VA (2015–2021)

  • Durable ABS construction – strong yet flexible and impact-resistant

  • Unpainted matte black finish – install as-is or paint to suit your build

  • H Style design – aggressive and sporty look with functional diffuser fins

  • Precision moulded – designed for OEM-level fit and finish


What’s Included

  • 1 × H Style Rear Lip Diffuser

  • Mounting hardware


Installation Notes

  • Comes with standard fitting hardware

  • Additional fasteners can be added for a firmer hold

  • Sanding and primer required before painting

  • Professional installation recommended for best alignment and fitment

📍 Sydney Installation Available
Professional fitting service offered at our Sydney workshop.
📩 Contact info@ausbodyworks.com.au or text 0449 858 577 to book your installation service.

At AusBody Works, we want you to shop with complete peace of mind. If something isn’t right with your order, let us know and we’ll do everything we can to resolve it quickly. Please review the guidelines below before contacting us.

How to Return or Exchange

If you’ve purchased from us and decide within 30 days of delivery that the item isn’t suitable, you may apply for a return or exchange (once approved by our team). Please note that return postage costs are the responsibility of the buyer.

Manufacturing Faults or Defects

On rare occasions, products may arrive with a factory fault. If this happens:

  • Email clear photos and your order number to info@ausbodyworks.com.au within 7 days of delivery.
  • Our team will assess the claim. If confirmed, we’ll send you a replacement free of charge.
  • If the product is unavailable, we’ll provide a store credit, refund, or exchange for another product of your choice.

Change of Mind Returns

We’re confident you’ll love your purchase, but if it’s not quite right you may return it provided it meets the following conditions:

  • The product is unused, in original condition, and in original packaging.
  • The item has not been fitted (e.g., drilled, screwed, cut, or installed).
  • The item was not purchased during a promotion where the terms excluded it from the returns policy.
  • Opened, unused products are eligible for return with a 20% restocking fee
  • Maxton Design returns must be in original condition and packaging, with the protective film and holographic verification sticker intact. Returns without these will not be accepted.

Packaging Requirements

All returned or exchanged items must include their original packaging and any extras supplied (hardware, promotional items, stickers, booklets, etc.).

  • If packaging is missing or incomplete, AusBody Works may decline the refund or exchange.
  • If re-shipping is needed, additional postage fees will apply.

Pre-Order Cancellations

  • Pre-orders may be cancelled at any time up to one month before the estimated arrival date. Cancellations made within one month of the ETA will incur a 20% fee.

At AusBody Works, we want you to shop with complete confidence. Our policies are designed to cover you for genuine manufacturing faults and ensure your parts fit exactly as advertised.

Standard Warranty Coverage

  • All AusBody Works body kits and accessories come with a 12-month warranty against manufacturing defects.
  • Pre-painted items are also covered under this warranty.
  • If a defect is confirmed, we will either repair or replace the item. Where this is not possible, we will issue store credit or a refund equal to the purchase value.

What’s not covered:

  • Cosmetic marks, scratches, or wear from everyday use
  • Impact damage—including scrapes, bumps, or contact with curbs/objects—is excluded from warranty. ABS components can crack when subjected to force/scrapes.
  • Damage caused by poor handling or incorrect installation
  • Use of unsuitable cleaning products (e.g. acid-based cleaners)
  • Products purchased second-hand or through non-authorised sellers

Fitment Guaranteed Program

We back our products to fit the advertised models with confidence.

  • If you experience fitment issues, please contact us within 7 days of receiving your order.
  • Send clear photos and details to info@ausbodyworks.com.au.
  • Our team will first guide you through the fitment process, as many issues can be resolved with proper installation techniques.
  • In the rare case a manufacturing defect is the cause, we will:

    - Send a replacement part if stock is available, or
    - Offer store credit or a refund if the part is unavailable.

Installation Warranty (In-Store)

If you choose AusBody Works for professional installation, you’ll receive a 1-year workmanship warranty on the fitting itself.

  • If something isn’t right with our installation, contact us immediately and we’ll resolve it.
  • Please don’t attempt repairs or adjustments yourself, as this may void the installation warranty.

Exclusions:

  • Handling by third parties after installation (including removal or modification by another shop or individual)
  • Normal wear and tear
  • Breakages or damage caused by impacts or accidents
  • Natural disasters or external events beyond our control

At AusBody Works, we know you’re excited to start your next modification — and we work hard to get your order to you as quickly as possible.

Processing & Dispatch

  • Orders are typically packed and dispatched within 1–3 business days once confirmed, subject to stock availability.
  • During peak periods (sales, holidays), dispatch may take a little longer. For specific timelines, feel free to contact our team.

Delivery Timeframes

  • VIC, NSW, QLD, SA: Usually 1–5 business days after dispatch.
  • WA, NT, TAS & regional areas: Expect slightly longer transit times.
  • While we aim to deliver within these estimates, exact dates can’t be guaranteed as courier delays are outside our control.
  • Some orders may arrive in multiple parcels. You can track each shipment via the link provided.

Standard Delivery

  • All shipping orders are sent Authorised to Leave (ATL)

Product Packaging & Materials

Polyurethane (PU) & Polypropylene (PP) Items

  • We never fold or bend items before sending.
  • If your lip arrives slightly distorted from shipping, don’t panic — PU & PP has natural flex.
  • To restore shape, heat the area with a heat gun or leave it in the sun for a few hours before fitting.

Maxton Design 

  • We take extra care to pack these securely to prevent any bending or damage during transport.

Shipping Damage Policy

At AusBody Works, every order is checked and carefully packaged before dispatch. However, courier mishandling can sometimes cause damage.

  • If this occurs, please take photos and record the damage within 7 hours of delivery.
  • Send the evidence to our team so we can lodge a claim.
  • If confirmed as shipping damage:

    - A replacement will be sent if stock is available.
    - If unavailable, we will issue a refund.

Delivery Issues

  • Delays: If your item is more than 10 business days late past the ETA, please lodge a claim with the courier and let us know so we can track it as well. If deemed lost, we’ll arrange a replacement, credit, or refund.
  • Marked Delivered but Not Received: Contact the courier immediately. If Package Protection was selected, we’ll send a replacement or work out a resolution.

Failed Deliveries & Returns

  • If delivery fails due to incorrect address, refusal, or no one available, the courier may attempt redelivery at their discretion.
  • Additional fees may apply for repeated delivery failures or “Return to Sender” packages.
  • If an order is cancelled after being returned, original shipping costs and a processing fee will be deducted from any refund.

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