Article: BN Pipes cat back system diameter: 1x70/2x55 Tip: 1x90/20° li/re TUEV: approved Part no.: AUA48KQ-HA1 Car: Audi Type: A4 B8 Modell: A4 1.8T-2,0T Quattro 8K/B8 Remark: BN-Pipes exhaust systems & downpipes for Audi A4 B8 in our onlineshop - dealer prices on request