Just sharing for anyone interested. I know when I was exploring this, there were only a few decent videos out there. This is my 2014 SQ5 3.0. My setup was simple - delete the final rear mufflers and valves, replace with pipe and new quad tips. Total was under $500 (Bay Area premium unfortunately).
I went 034 Stage I ECU and TCU, added their intake tube, modded airbox, and added aFe filter. Then deleted the mufflers, and this is the end result.
Cold Start
https://youtu.be/RMGc1Bq_Hbs
1-2 drive-by with a 1st gear stop:
https://youtu.be/lfocP_vaFwA
Last up are coilovers next year.
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