Description
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Upgrade the rear end of your Audi A3 with the German Car Accessories KB Style Carbon Fiber Diffuser featuring an integrated LED brake light, designed specifically for the 2017–2020 Audi A3 8V.5 Non S-Line platform. This aggressive rear-end upgrade combines motorsport-inspired styling with added functionality, delivering a more dynamic and premium appearance on the road.
The KB-style design enhances the factory rear profile with a deeper, more performance-oriented look while maintaining OEM-level fitment. The integrated LED brake light adds a distinctive visual element that improves visibility during braking and gives the vehicle a modern, high-performance aesthetic.
Constructed from premium real 2x2 weave carbon fiber, this diffuser is built for durability, lightweight performance, and long-lasting visual appeal. The high-gloss UV-protective clear coat ensures a deep shine while protecting against fading, heat, and environmental wear over time.
Engineered for the 8V.5 Audi A3 Non S-Line chassis, this diffuser is designed for a precise fit using factory mounting points combined with automotive-grade 3M adhesive support. Installation is straightforward, but professional installation is recommended due to the integrated lighting system and rear bumper integration.
This diffuser is designed exclusively for quad-exhaust style setups, ensuring a proper aggressive rear-end look that completes the performance aesthetic of your Audi A3.
Features
- KB-style aggressive rear diffuser design
- Integrated LED brake light for enhanced visibility
- Fits Audi A3 8V.5 Non S-Line (2017–2020)
- Premium real 2x2 weave carbon fiber construction
- High-gloss UV-protective clear coat finish
- Lightweight and durable performance design
- OEM+ fitment with factory-style integration
- Improves rear styling and road presence
- Designed for quad-exhaust rear bumper setups
- Professional installation recommended
- Includes mounting hardware and LED integration
- Backed by a 1-Year Warranty
Specifications
| Specification | Details |
|---|---|
| Product Type | Rear Diffuser |
| Style | KB Style with LED Brake Light |
| Vehicle Fitment | Audi A3 8V.5 Non S-Line |
| Model Years | 2017–2020 |
| Material | Real Carbon Fiber |
| Weave Pattern | 2x2 Carbon Fiber Weave |
| Finish | Gloss UV-Protective Clear Coat |
| Lighting | Integrated LED Brake Light |
| Installation | Bolts + 3M Adhesive |
| Exhaust Cutout | Quad Exhaust Only |
| Warranty | 1 Year |
Vehicle Fitment
Audi A3 8V.5
- 2017 Audi A3 Non S-Line
- 2018 Audi A3 Non S-Line
- 2019 Audi A3 Non S-Line
- 2020 Audi A3 Non S-Line
Important Fitment Note
- This diffuser does not fit S-Line or S3 models
- Only compatible with quad-exhaust style rear setups
Why Choose a KB Style Diffuser?
A KB-style diffuser delivers a more aggressive and motorsport-inspired rear appearance compared to standard OEM styling. Combined with an integrated LED brake light, it enhances both aesthetics and safety, making your Audi stand out with a premium, performance-focused upgrade.
Why Choose GCA Performance?
GCA Performance specializes in high-quality automotive styling upgrades engineered for precision fitment, durability, and OEM+ design standards. Each product is developed to enhance both the visual impact and driving experience of modern Audi platforms.
