Article: BN Pipes cat back system diameter: 2 x 60mm Tip: 1x90 li/re TUEV: approved Part no.: AUS48EQ-HA1 Car: Audi Type: S4 B6/B7 Modell: S4 V8 Quattro, 8E/8H Remark: BN-Pipes exhaust systems & downpipes for Audi S4 B6/B7 in our onlineshop - dealer prices on request