I would be shocked if the car wouldn’t pick up another 2mph shifting at 6600 for the 1-2 and 7k for the 2-3 and later
Unless the valve train is not up to snuff I don’t see the downside to reving it out
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‘22 2SS 1LE M6 Summit White - RF, Flexfuel, LT2 intake, 95mm tb, ATI udp, VT ramair, full 28” dragpack - 11.68@122
‘16 1SS M6 LT2 intake + boltons on DR 11.0@126+ (Sold)
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