i am considering going intercooled but i have a few questions

first i know the ZZP short stack IC isnt preferred but if i could get one for $250 should i?

also how hard is this to install into a 99 GTP?

(this is gonna sound dumb) what makes the pump work, is it electric?

it seems really straight forward a lot like the engine coolent system ive replaced pretty much all of that on these cars before, id just like to hear from some people who've already done it thats all