Originally Posted by BMS

Since these cars are tuned based of speed density, the hotter air will request more boost to compensate for the less dense air and vice versa. We tested this on the dyno with our IAT spoofing. We tested 50* IAT (boost would be 20psi) then tested IAT at 130* (boost raised to 25).
No difference in power unfortunately so that tells us that the turbo is not able to flow more air at anything higher than 22psi and is maxed out

-Payam