best intake manifold?
 

97 b18c type r

i want to go boost with it whats the best intake manifold for mid-high rpms?
want about 4-500 wheel if that helps

I would just go with a Skunk2 IM, or an Edlebrock (I think that is how it is spelled).. especially if you are going boost and aiming for that sort of power.

ok and throttle body size?

Ooo.. TB size is a tough one. With your power goals, I would suggest something 65mm or bigger. I would suggest to pick up the intake manifold you want first, measure the TB opening and determine that to be the smallest size TB you should run. If you want to run any bigger, bust out the dremel and bore out the intake manifold TB opening. Make sure you do this while the manifold is off the car since you have to flush the IM out with water and let dry. This prevents any shavings from entering your motor.