This K04-023 upgrade turbo has been developed for the Audi S3 8L and Audi TT 8N with a 1.8T engine. The turbo is a direct replacement for the original unit and offers significantly greater airflow thanks to a larger CNC-machined compressor wheel and an optimised turbine. When combined with the appropriate modifications and software, power output of up to approximately 310 hp can be achieved.
Advantages
• Direct 1:1 replacement for the original turbo•
Larger CNC-machined compressor wheel for increased airflow•
Machined turbine blade for improved
flow• Oil- and water-cooled turbo•
Internal
Wastegate• Plug-and-play installation•
Power output of up to approximately 310 hp possible with upgrades
Technical specifications
• turbo type: K04-023 upgrade turbo•
compressor wheel: 60 / 46.5 mm•
OEM compressor wheel: 56 / 41.9 mm•
Cooling: Oil and water•
Wastegate: Internal•
lambda sensor connection: In exhaust housing
Compatibility
• Audi S3 8L 1.8T•
Audi TT 8N 1.8T•
Seat Leon 1M1 1.8T Cupra R 210–225 hp
Recommended upgrades for maximum performance
• Larger
Intercooler• 76 mm
Downpipe• Upgraded exhaust manifold•
Cylinder head
optimisation• Custom ECU software
Contents
• K04-023 upgrade turbocharger
Frequently asked questions
Is this turbo a direct replacement for the original?
Yes, this is a plug-and-play replacement for the OEM turbo.
What is the maximum power output with this turbo?
Up to approximately 310 hp, depending on tuning and additional upgrades.
Do any additional parts need to be replaced during installation?
It is recommended that the oil supply and return lines be replaced during fitting.