Hi All,
I'm looking at going for a stage 2 tune for my 2017 Audi S4 B9.
I'm looking at
Intercoolers:
ECS Intercooler
Wagner intercooler
REV 9 Intercooler
Decat:
CTS Turbo decat
Milltek Decat
Fitler:
Ram air oversized stage 2 filter.
Tunes:
Can anyone recommend a good tuner for Stage 2...
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