the real question you should ask is why wouldnt you go WOT in winter?
my thoughts exactly. I usually see 5psi, the other night it was 28* outside, i saw a massive 8 to almost 9psi , punched it at a 20mph roll and held it spinning 3rd on a ****ty asphalt road.
16' wrx sti- stock
06 Spice Red GTO- m6/exhaust/tune/suspension/377whp-383tq-sold
99 silvermist gp gt-g5/xp/IC/3.0mps-parted&sold