Scope of delivery: - 1x turbocharger upgrade K04-023 53049880023 for Audi S3 8L TT 8N up to 310 hp 60>46.5 mm impellerTechnical specifications: - Connection for lambda sensor in the exhaust housing - oil- and water-cooled - internal wastegate - turbine impeller grinding - Supercharger impeller 60>46.5 mm (original 56>41.9 mm)Product description: - The turbocharger is replaced 1:1 with the original, no modifications are required. With a larger intercooler kit, ø 76mm downpipe, upgrade manifold, appropriate engine components such as a ported cylinder head, and a software tune, up to 310 hp is possible. Includes matching K04 gasket from the manifold to the turbo.Please note that after replacing the turbocharger, the oil supply and return lines must be replaced. You can obtain these from your VAG dealer.Fits: - Audi S3 8L 1.8T with engine code APY / AMK / BAM - Audi TT 8N 1.8T 225-240 hp APX / BAM / BEA / BFV - Seat Leon 1M1 Cupra R 209-225 hp AMK / BAM