For me, getting rid of the boost limits in 1st and 2nd is the biggest improvement. Ordered my AP through Strat and ran the Cobb Stage 2 91 for a week or so, then switched to Strat 91. Cobb was really nice compared to stock and slightly less aggressive than the Strat 91. Wish I'd optioned for the TC to be off by default. Maybe it's the higher boost psi with Strat, but Cobb Stage 2 seemed easier to land shifts smoothly. It also seemed to have less rev hang. Still need to do some Strat revisions, but waiting for some cooler weather.
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