Scope of delivery: - Racing cat / Sport cat 200 cells Euro 4 compatible for Audi A4 B5 B6 8E A6 1.8T Passat 3B+BG plug and playDescription: - The metal cat is simply replaced 1:1 with the old one (plug and play) - The post-cat sensor may need to be programmed out. - Inlet from turbo inside approx. ø 58mm - Outlet to downpipe inside approx. ø 69mmPlease note that installing this item constitutes a modification that invalidates the vehicle’s operating permit according to StVZO. Not approved for use on public roads.compatible with: - Audi A4 B5 1.8T 150-180hp FWD + Quattro AEB, APU, ANB, AWT, ARK, AJL - Audi A4 B6 1.8T 150-190hp FWD + Quattro AVJ, BFB, BEX - Audi A4 B7 1.8T 163hp FWD + Quattro BFB - Audi A4 2.0L 8E - Audi A6 1.8T C5 1.8T 150-180hp FWD + Quattro AEB, APU, ANB, AWT, ARK, AJL - Skoda Superb 3U4 1.8T 150hp AWT - Passat B5 (TYPE 3B) 1.8T 150hp AEB, APU, ANB - Passat B5 GP (TYPE 3BG) 1.8T 150hp AWT, AWL, BGC