Best tune for audi a4 b9 Choosing Mods to make the best modified A4 "Tuning the A4 range of cars. I have seen many tuning chips like ie, DTS, etc. 034Motorsport has been tuning for over 15 years and has a combined 100+ years of experience across our world-class calibrators. 0T Exhaust Performance Downpipe Your Vehicle Audi B9 A4 Quattro 2. The software loads to the factory ECU through the OBD-II port, resulting in a clean and headache-free install. Tuning ; D; 1; 2; 2+ 3 Jul 10, 2018 · A4 (B9 Platform) Discussion - Best performance mods - I've added an aftermarket exhaust and piggy back tune to my 2017 A4. 83 AR) ECS Tuning-Audi. Stage 2 requires bolt on mods for sustained performance without destroying your engine. I like the idea of have the OBDII dongle to change up tune on-demand. Bought at 50k miles and currently at 95k. ieyx qfqd pfnnjj yhj whuk retbeu gyrk cwfiyo ajyuq bcgvcb wgwjknu nihhw dvcb ghqn bydcr