Its off an Altezza Gita I believe. Not had it long. And the angel eyes were off ebay. Very good quality IMO. Didnt just buy the cheapest ones though, wanted ones that looked half decent.
Take a look at this http://www.zerotohundred.com/newforums/engine-and-performance/349923-beware-of-fake-apexi-power-intake-dual-funnel-filter-in-the-market.html
Not sure tbh. Cant tell if its real or not. could just be a cheap chinese rip. Especially when you see how much this one is http://www.driftworks.com/apexi-induction-kit.html
Supercharging wont make it unreliable. Toyota made a charger kit specifically for the IS. It used an eaton m62 compressor. Worked fine. Ask the folks who have superchargers on here.
No idea how long they are meant to last. I hope a while though lol. If they go, they go! If one goes ill just unplug the same one the other side and hope it looks alright. should do.
Yes same shocks. I think. And the general feeling i get from others is 40mm is the limit between a nice comfortable ride and an overly hard one. I have been looking at doing mine and i think 40mm is going to be my weapon of choice.