Scope of delivery: - Downpipe ø 76mm 3" for Audi A4 B5 1.8T with e-approved 200-CPI sports catalytic converterProduct description: During installation, ensure that the flange is initially only lightly positioned on the turbo; then connect the DP to the exhaust, align it, and finally tighten the bolts on the flange.The 200-CPI sports catalytic converter has an E-mark and can therefore meet Euro 4 standards. It has not been tested for the vehicles listed here and requires individual approval.Compatible with: - Audi A4 B5 1.8T Avant/Sedanand also for the following upgrade turbochargers: - Borgwarner K04-015 53049880015 - Borg Warner K04-015 / K06 - Borg Warner K04-015 / TFSI compressor wheelRegistration: For individual approval in accordance with §21 StVZO, please contact your TÜV inspector or our partner company Exclusive-Tuningparts e.K. at https://go-street-legal.com/eintragungsformular/Please note that the installation of this item constitutes a modification that invalidates the vehicle’s roadworthiness approval under the StVZO. Use on public roads is not permitted.