Audi S1 IS38 turbo kit

The S1 is by all means a very fast little car. But it can become much faster by borrowing the turbo from its bigger brother, the VW Golf Mk 7R.

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Turbo comparison

This is what an IS38 turbo looks like compared to the stock IS20. The size difference is more than enough to provide a 60-80hp gain and it is a bolt-on solution. No modifications necessary when replacing the turbo.
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Upgrade specifications

  • 98RON fuel
  • IS38 turbo (instead of IS20)
  • Upgraded intercooler
  • Upgraded exhaust
  • Stage 3 – IS38 remap

Performance results

  • Maximum horsepower: 363.6 PS (from 256 PS measured with the stock map and IS38 bolted on), gains 108 PS
  • Maximum torque 480 Nm (from 380 Nm measured with the stock map and IS38 bolted on), gains 100 Nm

 

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