Elevate the rear end of your Audi S3 8Y Sedan to RS3-inspired specification with this premium dry carbon fiber rear bumper diffuser, precision manufactured using a 3D design, CNC milling, and full autoclave curing process. Dry carbon fiber represents the highest tier of carbon fiber construction — offering a superior strength-to-weight ratio, tighter weave consistency, and a more refined surface finish compared to standard wet carbon alternatives. Designed specifically for the S3 8Y factory rear bumper, this RS3-style diffuser adds a wider, more aggressive lower rear profile with a deeply polished and UV-protected carbon surface that maintains its finish over long-term outdoor and driving exposure. Adhesive tape is included for a clean, no-drill installation directly to the factory S3 8Y rear bumper.

Features:

• Premium dry carbon fiber construction – autoclave cured using 3D design and CNC milling, offering superior strength-to-weight ratio and surface consistency over standard wet carbon alternatives
• Polished and UV-protected surface finish – maintains the deep gloss dry carbon weave appearance over sustained outdoor and driving exposure without fading or yellowing
• RS3-inspired rear bumper diffuser profile – adds width and aggression to the lower rear bumper of the S3 8Y Sedan for a more planted, performance-oriented rear stance
• Adhesive tape included for a clean, no-drill installation directly to the factory S3 8Y rear bumper
• Lightweight at 1.15kg – minimal weight addition to the rear of the vehicle

Specifications:

• Condition: 100% Brand New
• Type: Rear Bumper Diffuser
• Material: Dry Carbon Fiber
• Surface Finish: Polished & UV Protected
• Manufacturing Process: 3D Design · CNC Milling · Autoclave Cured
• Style: RS3 Inspired
• Dimensions: 139 x 31 x 15 cm
• Weight: 1.15 kg
• Installation Method: Adhesive Tape (included)
• Fitment: S3 8Y Factory Rear Bumper Only
• Purpose: Retrofit / Upgrade

Fitment:

• Audi S3 8Y Sedan 4-Door (2021–2022)
• Compatible with S3 8Y factory rear bumper only – not compatible with aftermarket or non-S3 bumper configurations
• Sedan 4-door body style only – not confirmed for Sportback variants

Contents:

• 1x Dry Carbon Fiber Rear Bumper Diffuser
• Adhesive Tape for installation included

Benefits:

• Dry carbon fiber delivers a more refined weave consistency and superior strength-to-weight ratio compared to standard wet carbon or carbon-look ABS alternatives – representing the highest tier of carbon fiber construction
• UV-protected polished finish maintains the premium dry carbon surface appearance over prolonged outdoor and driving exposure without fading or yellowing
• RS3-style diffuser profile adds width and visual aggression to the lower rear of the S3 8Y Sedan for a more track-inspired and performance-oriented exterior presence
• Adhesive tape fitment delivers a clean, reversible installation with no drilling or permanent modification to the factory rear bumper
• At 1.15kg, the diffuser adds a comprehensive rear lower bumper upgrade with minimal impact on rear weight distribution

Installation Notes:

• Adhesive tape supplied – thoroughly clean, degrease, and dry the factory rear bumper surface before installation to ensure maximum adhesion strength
• No drilling or permanent bodywork modification required – fully reversible installation
• Compatible with S3 8Y factory rear bumper only – will not fit aftermarket rear bumpers or non-S3 8Y bumper configurations
• Sedan 4-door body style only – not confirmed for Sportback body variants
• Professional installation recommended for optimal panel alignment and finish quality
• If unsure about compatibility with your specific bumper configuration or variant, contact our team with your year and model before ordering

Shipping Information:

• Processing Time: 2-5 business days for warehouse stock items
• Made-to-Order: Please allow 2-4 weeks for shipping if product requires custom manufacturing

Warranty:

• 12-month standard warranty from date of purchase
• Contact our support team for assistance with any issues