H&R VTF Adjustable Lowering Springs | Audi A4/S4 (09-16) / A5/S5 Cabrio (08-17) (23013-1)VTF Adjustable Springs for 09 16 Audi A4 S4 & 08 17 A5 S5 (AWD Models Only) by H&R Introducing the perfect answer for cars equipped with electronic shocks. H&R VTF Adjustable Lowering Springs are sport springs with more more lowering, more features, more personalization. H&R VTF kits are designed to work with your vehicles original electronic shocks. Specific rate springs provide superb ride quality and comfort, while reducing body roll, offering more