The TTE420 is a high-performance hybrid turbo based on a new BorgWarner K04-064, specially developed for the VAG 2.0 TFSI EA113 engines. This upgrade provides a strong power boost while maintaining Plug & Play installation and a fast, predictable response. Through clever engineering, the TTE420 combines the character of the original K04 with significantly more airflow, power, and reliability.
Advantages
• 420+ hp proven with the right hardware and software
• Plug & Play installation on K04 basis
• Lower exhaust gas temperatures and back pressure
• Fast spool with strong middle and top end
• CNC-optimized air and exhaust flow
• Motorsport-grade bearing system for durability
Technical specifications
• Basic: New BorgWarner K04-064
• Compressor: TTE 2871X billet compressor wheel (next-gen, ultra-thin blades)
• Compressor inlet: 50.5 mm
• Turbine: BorgWarner K16, clipped and lightened
• Storage: TTE 360° motorsport release bearing
• Actuator: BorgWarner OE, reinforced and adjustable
• Extra: TTE CNC K04 silencer delete
• Balancing: Parts + CHRA VSR up to 250,000 rpm
• ECU: Software recalibration required
Compatibility
Suitable for VAG 2.0 TFSI EA113 models with K04 base, including:
• Audi A3 8P (2008–2013)
• Audi S3 8P (2008–2012)
• VW Golf R MK6 (2012–2013)
• VW Golf GTI MK5 (2008–2009)
• VW Jetta MK5 (2008–2010)
Contents
• 1x TTE420 upgrade turbocharger
• Numbered VSR balance test result document
Frequently Asked Questions
Is this a direct replacement for the original K04?
Yes, the TTE420 retains the original K04 layout and is plug & play.
Does the car lose a lot of spool because of the larger turbine?
No, there is only a minimal change in response, with a big gain in power and torque.
What additional upgrades are recommended?
An upgraded intercooler, downpipe, intake and suitable ECU software are highly recommended.
Delivery time
• New turbo: 3 - 6 working days
• I am sending my old turbo: 20 - 40 working days
