Description
Disclaimer : Cancellations within 24 hours are subject to a cancellation fee. After 24 hours, a higher fee will apply.
Transform the rear end of your Audi A4 or S4 with this premium KB Style Carbon Fiber Rear Diffuser featuring an integrated LED Brake Light. Designed specifically for the 2013-2016 B8.5 platform, this diffuser delivers a bold motorsport-inspired appearance while maintaining clean OEM+ styling and factory-like fitment.
Constructed from genuine carbon fiber and engineered for precision fitment, this diffuser enhances the sporty character of your Audi while adding premium materials and modern design elements.
Aggressive KB Style Design
The KB Style diffuser features sculpted contours and performance-inspired lines that give your Audi A4 or S4 a wider, lower, and more aggressive stance.
Its distinctive design adds visual depth to the rear bumper while complementing the factory body lines for a seamless OEM+ appearance.
Integrated LED Brake Light
Built with an integrated LED brake light, this diffuser brings a modern motorsport-inspired touch to your vehicle's rear profile.
The LED light enhances visibility while adding a unique performance-focused detail that stands out both day and night.
Premium Real Carbon Fiber Construction
Manufactured from authentic carbon fiber with a premium 2x2 weave pattern, this diffuser offers exceptional durability, lightweight performance, and a high-end finish.
The real carbon fiber construction delivers the premium look and quality expected from a top-tier Audi exterior upgrade.
Gloss UV-Protected Finish
Each diffuser is finished with a durable high-gloss UV-resistant clear coat that protects the carbon fiber from fading, yellowing, and environmental damage.
This finish highlights the weave pattern while ensuring long-lasting appearance and durability.
Quad Exhaust Performance Styling
Designed exclusively for quad exhaust configurations, this diffuser provides an RS-inspired appearance that perfectly complements performance-focused Audi builds.
The quad exhaust cut-outs enhance the sporty look of the rear bumper while creating a more aggressive overall presence.
Precision Fitment for B8.5 Models
Engineered specifically for 2013-2016 Audi A4 and S4 models, this diffuser follows factory bumper contours for a clean, seamless installation.
Professional installation is recommended to ensure proper alignment and fitment.
Vehicle Fitment
Audi A4 & S4 (B8.5)
- 2013 Audi A4 Non S-Line
- 2013 Audi A4 S-Line
- 2013 Audi S4
- 2014 Audi A4 Non S-Line
- 2014 Audi A4 S-Line
- 2014 Audi S4
- 2015 Audi A4 Non S-Line
- 2015 Audi A4 S-Line
- 2015 Audi S4
- 2016 Audi A4 Non S-Line
- 2016 Audi A4 S-Line
- 2016 Audi S4
Features
- Genuine carbon fiber construction
- Premium 2x2 carbon fiber weave
- KB Style performance design
- Integrated LED brake light
- Gloss UV-protective clear coat
- Lightweight and durable construction
- Designed for quad exhaust configurations
- Precision-engineered fitment
- Hardware and 3M tape included
- Aggressive OEM+ styling
Benefits
- Instantly upgrades rear-end styling
- Adds a premium motorsport-inspired appearance
- Enhances visibility with integrated LED lighting
- Lightweight carbon fiber performance
- UV-resistant finish for long-term durability
- Complements other carbon fiber upgrades
- Creates a more aggressive and refined rear profile
Why Upgrade Your Rear Diffuser?
A carbon fiber rear diffuser is one of the most effective ways to enhance the appearance of your Audi A4 or S4. The combination of genuine carbon fiber construction, aggressive KB Style design, and integrated LED brake light creates a premium performance-inspired look that transforms the rear end of your vehicle.
Whether you're building a show-ready Audi or simply upgrading your daily driver, this diffuser delivers an unmistakable visual improvement.
Package Includes
- (1) KB Style Carbon Fiber Rear Diffuser
- Integrated LED Brake Light
- Mounting Hardware
- 3M Installation Tape
Specifications
- Material: Real Carbon Fiber
- Carbon Fiber Pattern: 2x2 Weave
- Finish: Gloss UV-Protective Clear Coat
- Style: KB Style
- Lighting: Integrated LED Brake Light
- Exhaust Configuration: Quad Exhaust Only
- Installation: Professional Installation Recommended
Notes:
This is an aftermarket product and is not manufactured, endorsed, or supplied by Audi. Verify vehicle compatibility and exhaust configuration before ordering. Professional installation is recommended for best results.
