I've got everything dry fitted up well. Only a few outstanding issues/questions.

(Keep in mind that my current turbo is way too big and I'll be swapping my turbo before I address my downpipe & exhaust)

QUESTIONS/CONCERNS :
(I'll research on my own, but feel free to comment if you want to provide a quick answer - THX)

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Bolts for turbo: Are M8 bolts and nuts okay for the turbo flange, or do I need to get larger bolts that actually thread in?

Also, how do I get that 4th bolt in?!

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Hose & Clip near p/s headlight : Does anybody know what those are? Where do they hook up/

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Brake Fluid: Do I need to bleed all 4 wheels?

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Coolant: Where do I pour it in, and is it as simple as topping off a reservoir, or is there more to it?

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Air filter piping: Do I need the long 4-inch diameter aluminum pipe, or can I run the air filter straight on the turbo? What are those bungs for on the aluminum pipe?

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Bumper: It doesn't seem to want to fit on exactly. Any ideas where it might not have clearance?