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Linden VW & HPA Motorsports
K04 Turbo Conversion Kit for TSI Engines 

Roselle HPA Turbo Conversion

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Knowing the limitations on the IHI (K03) turbo the TSI comes equipped with, we sought out to upgrade the turbo while maintaining factory plumbing and lessen the install burden for shops and home mechanics alike.

The factory Borg Warner K04 turbo that is equipped on the Golf R / S3 is a much more robust turbo with a higher operational boost range, while still mounting on and integrating seamlessly with the stock components.  We modify the OEM K04 compressor cover, to allow the factory K03 diverter valve to be installed in the OEM location via a CNC port adapter, saving the consumer from purchasing unnecessary plumbing and mounts to complete the installation.

HPA also removes the turbo muffler to accommodate an HPA designed CNC machined fitting allowing the outlet pipe of the turbo to be rotated to clear the block, and to increase airflow out of the unit.  This has the added side effect of a less muffled and smoother air stream exiting the turbo. A laser cut block off place for the OEM S3 PCV system is included with all K04 kits as this port is not required on a TSI motor.

Each kit will include a stage 2 software tune as developed on HPA SCCA World Touring Car engines, allowing maximum horespower, drivability, and engine longevity.  New gaskets, studs, bolts, silicone coupler and clamps are included with every kit.

$2,649/$3,189 Installed

Newark HPA Turbo Conversion
TSI K04 Conversion Kit
  • Factory diverter valve placement via CNC machined diverter valve port adapter
  • Genuine Borg Warner K04 Turbo
  • CNC Machined turbo outlet with muffler removed for increased and better acoustics
  • CNC Machined compressor port for OEM diverter valve location
  • range with higher boost pressure available
  • Increased useable RPM range with higher boost pressure available
  • PCV blockoff plate
  • K04 specific TSI ECU file based on our race winning SCCA World Challenge Touring Cars

New Jersey VW Motorsport Specialists at Linden Volkswagen

At Linden Volkswagen we know HPA Motorsports. Come in and let the specialists in our service department help you find the right components to supply the performance you deserve from your vehicle. You can find us at 401 E St. Georges Ave Roselle, NJ 07203 or call (866) 305-3960 to speak with one of our knowledgeable representatives.