The Eibach Sportline lowering kit for 2017–2018 Audi A4 (B9) Quattro is a vehicle-specific spring set that reduces ride height to deliver a lower stance and crisper handling response. Sportline kits are engineered to alter ride height while maintaining predictable behavior with the vehicle's suspension geometry, providing a focused road feel for drivers seeking a more assertive setup.
Eibach Sportline Kit for 17-18 Audi A4 B9 Quattro