few encounters with GT4s, i always argue i simply haven't met a decent driver, but never been passed by one at any of my three local tracks. pads, fluids, 300tw, alignment
joined a local seat time club and there are definitely insane P drivers around though.. insane..
he runs like 8s on the 1/4
i would say flash a stock ROM and run to compare. definitely slow, even for spinning, etc.
if you're on let's say 17" drag radials, trying to launch at an ECUTEK tuned level, reaching 600wtq, you're going to need aftermarket axles, as prev. mentioned
in addition...
i'm surprised bryan hasn't responded so i will nerd it up and address some of these
Toyota Supra Services is provided by BMW ConnectedDrive. i have yet to see anything regarding BMW and reporting to insurance, scandals, etc. so we're fine
regarding toyota, yes...
5" sounds deeper when compared to 4.5".. i'd even argue a catless 4.5" makes the car sound higher-pitched
no other difference
i personally run MAD Fat Boy. discount codes are always floating around
the guy with a JB4 and another with 20" wheels criticizing functionality :lol::lol::lol::lol::lol::lol::lol::lol::lol::lol::lol::lol::lol::lol::lol::lol::lol::lol::lol: