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your "exhaust button" doesn't do anything on cold start. Valves won't open unless you pull the fuse or code them to be open all the time.
you can see this in your video in which gas is only exiting the inner tips and not the outers.
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'07 Yamaha R1 (sold)
'06 C55 AMG (sold)
‘?20 M5, MP Carbon Pro Spoiler, MP Carbon Diffuser, MP Black grille and gills, MP Carbon Mirrors, CF side sills, 789M w/ Ti studs, eventuri, Dinan X pipe
'14 X5 50i (wife’s now)
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