Audi A4 B9 AWD (17+)T1 11 1830 Audi A4 B9 4WD (2017+) (53mm Strut Diameter) Spring Rate Front 10K Rear 10K Street Coilovers are designed to give you the best ride quality without sacrificing any comfort or reliability. Our goal was to design a suspension setup that is reliable for daily driving while providing an enjoyable sporty ride that could be driven on the track. All setups feature adjustable ride height and 32way or 12way dampening to adapt the ride to your