Modification Research

IS20 and IS38 Average HP Curves

IS20 vs IS38 Power Comparison

Background: One of the questions I had when planning a swap from the IHI IS20, which is stock in the Mk7 GTI, to the Golf R IHI IS38 was how the two turbochargers compare. I collected a bunch of dyno charts that were posted by others for the IS20 and the IS38. From the collection […]

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