Street Coilover Kit (Gold) for Audi A5 Sportback (F5)Street Coilover Kit (Gold) for Audi A5 Sportback (F5). The Street series suspension is the default configuration of MTS Technik engineers, it guarantees a wide range of lowering and a balance between comfort and stiffness. Suitable for the following engine(s) only: 1. 4 TFSI 2. 0 TDI 2. 0 TFSI 2. 0 TFSI g tron 3. 0 TDI 30 TDI Mild Hybrid 35 TDI 35 TFSI Mild Hybrid 40 TDI 40 TFSI Mild Hybrid 40 TFSI g tron 45 TFSI Mild Hybrid RS5 quattro S5 quattro MTS