We compare a stock Gen 3 MQB Golf 1.8T TSI to APR's Stage 1 software, then upgrade to an IS20 GTI turbo and show results for each stage. We do our best to keep everything consistent, and do multiple runs in each stage to get a good data to compare. The numbers are great on this Gen3 1.8t and is definitely quite the sleeper with the GTI Turbo upgrade.

Engine mods consist of:
APR IS20 Software (91oct)
OEM IS20 Turbo
CTS Downpipe
https://comotorsports.ca/cts-turbo-mk...

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