Poll: Turbocharger Size August 23, 2023 236Turbocharger SizeConducting a poll to gauge the distribution of turbocharger sizes people are using. Stock turbo: IS20 (GTI) or IS38 (Golf R)64.4% OEM Upgrade: GTI with IS38/+16.9% Larger than IS38/+18.6% Link to Poll table of contents page. Share this: Click to share on X (Opens in new window) X Click to share on Facebook (Opens in new window) Facebook Like this:Like Loading... Related