HPA K04 Turbo Kit FSI · TSI [GEN 1] · [GEN 2]

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To unleash the true potential of your 2.0T, the K04 turbo that is equipped on the Golf R / S3 is a much more robust choice than the factory equipped IHI (KO3) turbo, which runs out of breath mid-way in the RPM range.  The HPA K04 upgrade offers a higher operational boost range, while still working with the stock componentry; making for a natural and cost-effective upgrade.

HPA has now developed our own high performance K04 Hybrid Turbo conversion that allows the factory K03 diverter valve to be installed in the OEM location, without a CNC port adapter.  Our K04 turbo assembly is one of the most advanced units available in North America, featuring many benefits over the competition.

This K04 Hybrid conversion allows for a seamless integration, without the need for custom fabrications or aftermarket diverter valves.


  • Gain up to 355HP / 347TQ
  • Direct Replacement (in most cases)
  • Compact Design Allows for Faster Boost Response and Turbo Longevity
  • Turbo Muffler Delete for Smoother Exhaust Gas Flow
  • Simplified Design for Ease of Install
  • Diverter Valve in OEM Position
  • Block-off plate for PCV system (TSI)
  • Quicker Compressor Spool
  • Higher Output Across the Full RPM Range

What's Included:

  • HPA K04 Turbo Kit

Vehicle Fitment

Model   + Drivetrain  
1B Jetta · GLI 2.0T I4
1F EOS 2.0T I4
1K Jetta · GLI 2.0T I4
5C Beetle 2.0T I4
5N Tiguan 2.0T I4 +
8J TT 2.0T I4 +
8P A3 2.0T I4 +
B6 CC 2.0T I4 +
B6 Passat 2.0T I4
B8 A4 2.0T I4 +
B8 A5 2.0T I4 +
MK5 GTI 2.0T I4
MK6 GTI 2.0T I4
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Cory B.

BMP is Incredible....HPA, not so much. GO CTS or TTE

Well, I missed the $1,350 price by two weeks...shame on me. Aside from that, BMP's staff was super helpful in helping me buy this for my MK6 GTI. The product wasn't listed on the website, but when asked, they were able to source it out, put it on the website for me to order. The HPA shipped from Canada, so shipping took about 7 days total. Packaged nicely, everything looked...well..like a turbo kit should. I had my K03 uninstalled in preparation, and had printed HPA's generous, but outdated instructions. I'll list my concerns below: 1. Quality: Again, looks like a turbo should. Came with a fancy keychain and license plate cover...but was missing the crush washers for coolant and oil lines. Had to go find those....which became a beast with the coolant line needing a larger one at the base of the banjo fitting. 2. Turbo Outlet Silicone Pipe: Did not fit, would not fit, could not fit my oem pancake pipe. I had to cut relief points in it to make it slide over the pancake opening. I reached out to HPA to see what the deal was and if they could just send me another. Their response: "cory, I checked with the sales team. We only make and provide one silicone with these and they are tight but should and will fit your OEM pancake pipe I can get you a cost on a replacement silicone but it will be the same as the one you got with your turbo cost will be $25 + $20 for shipping" I normally don't feel too entitled, but come on. Performance: I'm faster. Should have gone CTS though.

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