Bill,
Enjuku has what you need in performance friction.
You use the rear for drifting, so , although it's expensive, I would reccomend going ahead and getting the Endless type NA-D pads. They are for stock S13 rear calipers, and theya re designed to LOCK the rears, even with like 235/40/17 and 255/40/17 out back. Theyw ill be AWESOME for you! For the fronts endless makes some great brakes as well, although I'm not sure if they make them for the Q45. I"m sure EBC Reds are avilaalbe, however.
They also have the stainless lines and all that stuff in stock.
Go ahead and give them a call, 407-673-1320, and ask for either Ray or Estevan. Tell them I sent you, make sure you say you're Hachi Bill!
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Advocate for the People's Republic of Awesome
rest in peace tim.