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AUDI RS3 8Y.5 FACELIFT 2025+ SPORTBACK / SEDAN CARBON FIBER DIFFUSER – RD1 PRO *EXCLUSIVE DESIGN*

Fits Audi RS3 (8Y) (2025+)

Text 609-525-4865

Original price was: $1,999.00.Current price is: $1,499.00.

You save $500.00 (25%)

Extra 10% off with code 10OFF ends in

Limited stock Order now before it sells out.

Usually ships within 5 business days

Shipping to the US: $129.00 Details

Fitment:

Please indicate at checkout if you have a sedan or sport back.

Unit17 Auto Styling presents the RD1 Pro Rear Diffuser for the 2025+ Audi RS3 8Y.5 Facelift Sportback/Sedan, manufactured from premium prepreg dry carbon fiber for the ultimate combination of aggressive styling, lightweight construction, and OEM-level fitment.

Designed exclusively for facelift Sportback models, the RD1 Pro Rear Diffuser features sharp sculpted lines and an aggressive aerodynamic design that completely transforms the rear appearance of the Audi RS3. Finished in a premium high-gloss clear coat, the diffuser showcases a flawless carbon weave with a deep reflective finish that perfectly complements the updated body styling of the 2025+ RS3.

Precision engineered specifically for the Audi RS3 8y.5 platform, the RD1 Pro Rear Diffuser utilizes OEM mounting locations and factory fitment points for seamless integration with the rear bumper. The diffuser comes as a complete 3-piece setup with integrated rear splitter sections that mount together before installation, ensuring excellent fitment and a more aggressive rear-end appearance.

Manufactured using advanced prepreg dry carbon fiber technology, the RD1 Pro Rear Diffuser offers exceptional rigidity while remaining extremely lightweight, delivering the perfect balance of premium aesthetics and performance-inspired design.

At Unit17 Auto Styling, every prepreg dry carbon fiber product is carefully quality checked to ensure excellent craftsmanship, precise fitment, and long-lasting durability. Pair the RD1 Pro Rear Diffuser with matching carbon fiber aero components to complete the aggressive styling package for your Audi RS3 8.5Y Facelift.

Fitment:

  • Audi RS3 8y.5 Facelift Sportback 2025+
  • Audi RS3 8y.5 Facelift Sedan 2025+

Features:

  • Premium prepreg dry carbon fiber construction
  • Aggressive 3-piece rear diffuser design
  • OEM mounting points and fitment
  • High-gloss clear coat finish
  • Lightweight and durable construction
  • Exclusive Unit17 Auto Styling design
  • Designed specifically for facelift Sportback models

  • Audi RS3 (8Y) 2025
  • Audi RS3 (8Y) 2026

Fitment guarantee — If a part doesn’t fit the vehicle listed on its product page, contact us before installing and we’ll cover the return shipping for a refund or replacement.

Complete your Audi RS3 (8Y)

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Why Unit17

Carbon parts from people who drive them

LOCATION: NJ, USA

Founded in 2014, Unit 17 is the brand created by car enthusiasts who specialize in aftermarket carbon fiber for sports cars, luxury vehicles and performance vehicles.

Our company aims to provide the highest quality pre-preg carbon fiber styling parts.  Being able to relate to fellow enthusiasts who share our passion for motoring is the key to Unit 17’s success.

Taking pride in our quality, service, and product fit is one of our top priorities.

Ask about fitment

Tell us what you drive and we’ll confirm this part fits before you order — usually within a few hours.

Year, make, model and any existing mods — e.g. 2022 BMW G80 M3, M Performance lip

The product you’re looking at is sent with your question.