Scope of delivery: - 1x upgrade turbocharger K04-023 53049880023 for Audi S3 8L TT 8N up to 340hp 60>46.5mm compressor wheel + RS6 turbine wheelTechnical data: - Connection for lambda sensor in the exhaust housing - Oil and water cooled - Internal wastegate (opening pressure 0.7 bar) - Turbo is finely balanced - Turbine wheel 50>44.5mm (original 50>42mm) incl. rotor grinding - Compressor wheel 60>46.5mm (original 56>41.9mm)Description: - This turbocharger is a 1:1 replacement for the original, nothing needs to be changed. With a larger intercooler kit, ø 76mm downpipe, upgrade manifold, corresponding engine components such as a machined cylinder head and a software adaptation, up to 330hp are possible. Suitable K04 gasket from the manifold to the turbo.Please note that after replacing the turbocharger, the oil supply and return lines must be replaced. These can be obtained from your VAG dealer.suitable for: - Audi S3 8L 1.8T with engine code APY / AMK / BAM - Audi TT 8N 1.8T 225-240hp APX / BAM / BEA / BFV - Seat Leon Cupra 1M1 R 209-225hp AMK / BAM