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The complete kit for a DIY turbo builder or a stock replacement for the 2.0T Audi or VW. This Genuine VW/Audi part is a direct bolt on from a European Audi S3. This turbo system is said to make 250 horsepower without the use of software.
When equipped with the proper software, tuning, and intake/exhaust systems, it can be use for 300 reliable horsepower. The ultimate turbo upgrade for those seeking boost on a budget.
The KO4 flows much more air than the KO3 and will provide a significant increase in horsepower. Additionally, fuel injectors with a higher flow may be required if using this kit for custom installations.