Audi RS3 8V Mk1 RS3 2.5 TFSI stage 1 - BR-Performance - Motor optimisation
STAGE 1 Tuned Audi RS3 - DYNO and ACCELERATION testing - YouTube
APR Stage 1 tuned 2018 Audi RS3 review
Customer with a 2020 Audi RS3 in for a unitronic Stage 1+ ECU tune, Stage 2 DSG, Unitronic wastegate line upgrade, and Unitronic 3" Intake System w/3" turbo inlet. : r/GermanAutohaus