*Please email us any special requests*

Upgrade your Audi S3 with our KB Style Carbon Fiber Rear Diffuser, now with an integrated LED brake light for added visibility and a motorsport-inspired look. Designed specifically for the 2017-2020 8V.5 Audi S3, this aggressive rear-end enhancement delivers both style and function.

Crafted from high-quality carbon fiber and finished in a high-gloss clear coat, it’s built for perfect fitment and long-lasting durability. This diffuser is also compatible with 8V.5 A3 S Line models, but is tailored with the S3’s performance aesthetic in mind.

Whether you're looking to stand out or complete a full carbon package, this diffuser with LED brake light delivers premium looks and improved road presence.

We have been working months to get the best Carbon Fiber Diffusers from our supplier. Don't waste $800-900 and save today with ours! 

Specs

• Fits: 2017 2018 2019 2020 8V.5 Audi | A3 S Line | S3 | (Does not fit A3 Non S Line)
• 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.