Note: Doesn't Fit A4 S-line/ S4/ RS4
Doesn't Fit A4 Avant, A4 Allroad
Doesn't Fit Car with Trailer Hook
Color: Gloss Black
Material: High Quality Abs
Fitment: for Audi A4 S4 B9 2017 2018 2019
Package Included:
1 x Rear Diffuser
1 Pair Exhaust Tips
We Will Send it by Expedited Shipping (DHL, Fedex, UPS)
Please send a picture of your car on back side after paid, thank you.
⚠️ Not for DIY Installation!
This product is designed for professional installation only. Due to the complex fitment requirements and potential for damage during assembly, we strongly advise against self-installation.
Why Professional Installation is Necessary?
✔ Precision Fitment Required – May involve bumper removal, sensor recalibration, and alignment adjustments.
✔ Risk of Damage – Improper installation can lead to cracks, misalignment, or ADAS system errors.
✔ No Self-Install Support – We do not provide technical guidance for DIY attempts.
🚗 Where Should You Install It?
We recommend:
✅ Certified Audi repair centers
✅ Professional body shops
✅ Specialty modification garages
🔧 Warranty & Returns Policy
No support for self-installation damage – Any issues arising from non-professional installation are not covered under warranty.
No returns after installation attempts – Once installed (correctly or incorrectly), the product cannot be returned.
