Description: - Audi S3 8L 225PS 1.8T performance increase to approx. 300PS / 395NMScope of delivery: - original upgrade Borgwarner K04-023/K06 Turbocharger with compressor wheel 56>45mm - 4x 470cc injection nozzles - 200 cell sports catalytic converter Plug&Play fits 340106 - Software optimization - reinforced intake hose in blue or black 380903 or 380902 specify when ordering. - reinforced divert-air valve 330100 - BMC high-performance sports air filter for 1.8TControl unit must be sent to us, or make an appointment on site.It must be refueled with at least 98 oct.The following parts are required for the kit to achieve the performance: Sports exhaust stainless steel ø 70mmS3 ø 76mm stainless steel downpipe with 200 cell racing catalytic converterFront intercooler kit S3