*Please email us any special requests*

Upgrade the rear end of your B9 A4 or S4 with our Carbon Fiber KB Style Diffuser, featuring an integrated LED brake light for that extra aggressive finish. Designed to match the sleek lines of the 2017-2020 Audi A4 (Non S Line & S Line) and S4, this diffuser blends bold aesthetics with high-performance design.

Manufactured from high-quality carbon fiber for a lightweight, durable finish that won’t disappoint. The aggressive fins and center LED light bring serious RS-inspired presence to your rear bumper.

We have been working months to get the best Carbon Fiber Diffuser from our supplier. Don't waste $700-800 and save today with ours! 

Specs

• Fits: 2017 2018 2019 2020 B9 Audi | A4 Non S Line | A4 S Line | S4 |
• Material: Real Carbon Fiber
• Carbon Fiber: 2x2 Carbon Fiber Weave
• Glossy UV Protectant Clear Coat
• Professional Installation Required (Bolts & 3M Tape Included)
• All Diffusers are ONLY made with Quad Exhaust cut out

Shipping

• FREE SHIPPING
• 5-8 Days Depending on Location
• We ship all of our products through UPS
• Orders will ship within 1-2 business days after payment is received. Orders from Saturdays, Sundays, or holidays will process on the next business day and will be shipped within 24 hours

 

We always recommend Professional Installation.