1.✅ US & EU warehouse for best-selling models
✅ Factory-made production for special or low-volume models
✅ Production time: 7–15 business days
✅ Strict quality inspection before shipment

2. Easy Returns & Worry-Free After-Sales

✅ 30-day return on unused items
✅ Return to US or EU local warehouse
✅ Damaged on arrival? Free replacement or refund within 72 hours
✅ Engineers provide fitment confirmation & installation guidance
✅✅ 1-Year Factory Warranty & Global After-Sales Support

3.Key Features — Audi A4 B9 A5 B9 Carbon Fiber Rear Diffuser

✅ Vehicle-Specific Fitment
Fits 2016-2023 Audi A4 B9 S4
Fits 2017-2023 Audi A5 S5 RS5 
Note:for vehicles with side assist holes
Free Shipping

✅ Lightweight & High-Strength
Premium 3x3 carbon fiber construction with UV-resistant high-gloss coating delivers lightweight strength and an unmistakable luxury carbon finish.

✅ Direct OEM Replacement
Direct replacement for the factory mirror covers — no cutting, no modification required.

✅ Easy & Fast Installation
Replacment style, installation tool included

✅ Fitment & Quality Guaranteed
Backed by Ahacarbon’s strict quality control and fitment guarantee for long-term durability.