The kit includes all the necessary elements needed for installation in the car. The whole is made very carefully and precisely, the elements are welded so-called. TIGIEM, T-6061 Aluminum. Fits: Audi A4 B8 1.8 TFSI 2008-2013 (MKB: CABA, CDHA, CABB, CABD, CDHB) * Audi A4 B8 2.0 TFSI 2008-2013 (MKB: CDNB