I know basically what all is needed, but I have no idea where I should buy parts from. I know where to get lines from and a fuel cell, but what about the heat exchanger? I also have no idea what kind of pump I need or what the specifications for it would be, let alone where to buy it from. Any help would be much appreciated, I'd really like to figure out how much this will cost. Thanks.

 

I must have incorrectly stated what I meant. When I said heat exchanger, I meant the actual air-water intercooler itself.