This K04-023 upgrade turbocharger was developed for the Audi S3 8L and Audi TT 8N with a 1.8T engine. The turbocharger is a direct replacement for the original unit and offers significantly more airflow thanks to a larger CNC-machined compressor wheel and optimized turbine. Combined with the right modifications and software, 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 more airflow
• Machined turbine blade for better flow
• Oil and water cooled turbo
• Internal wastegate
• Plug & play installation
• Power 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 210-225PS
Recommended upgrades for maximum performance
• Larger intercooler
• 76 mm downpipe
• Upgrade exhaust manifold
• Cylinder head optimization
• Custom ECU software
Contents
• K04-023 turbocharger upgrade
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 with this turbo?
Up to approximately 310 hp, depending on tuning and additional upgrades.
Are there any additional parts that need to be replaced during installation?
It is recommended to replace the oil supply and return lines during installation.
