AET Turbos Hybrid Turbo K04 1.8T 20V BAM K04-380 Golf MK4

Regular price £978.33

Ko4 Hybrid Turbocharger for 1.8 20v turbo VW Golf

The 1.8 20v engine found in the mk4 golf gti turbo model has been an absolute powerhouse unit for the volkswagen golf tuning market for coming up to 20 years the k04 turbo powering the BAM engine code units.

Our VT262E k04 hybrid turbo for this platform has been achieving up to and above the 380bhp quoted power output for a number of years with our specific blade design we have powered multiple 1.8t engines to over 400bhp thanks to the outstanding remap work by Badger 5 tuning.

With this ko4 hybrid turbo charger the 1.8 20v hybrid market has been working wonders making significant power increases across the world.


  • K16 custom turbine wheel with cutback exducer blades (much bigger than the stock larger k04 size tfsi style turbine wheel found elsewhere)
  • Improved air flow with inbuilt ram air trumpet
  • AET Turbo 360 Motorsport thrust bearing upgrade
  • Total seal turbine piston ring upgrade
  • 2480 K24 Billet compressor wheel 7/7 blades
  • CNC re-profiled turbine housing with inlet ported to 47mm
  • Compressor housing custom machined and fitted with 80mm TIP
  • Enlarged and flowed wastegate exhaust gas improvement
  • Ported turbine inlet for improved exhaust gases less turbo lag
  • *10psi Turbosmart actuator optional

For fitting of the ko4 turbo and a remap to suit we would highly recommend badger 5 they have spent many years working on the 1.8t engine and have one of the best reputations in the market.

check out our awesome Finance options and you are covered by the FCA financial conduct authority.

Want to know more about remap stages check out this tuning stages explained blog we wrote here.

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