Poll: Turbocharger Size August 23, 2023 251Turbocharger SizeConducting a poll to gauge the distribution of turbocharger sizes people are using. Stock turbo: IS20 (GTI) or IS38 (Golf R)64.5% OEM Upgrade: GTI with IS38/+15.9% Larger than IS38/+19.5% Link to Poll table of contents page. Share this: Share on X (Opens in new window) X Share on Facebook (Opens in new window) Facebook Like this:Like Loading… Related