So im putting a B18a1 into my ED6 and i was going to run a cold air intake but i dont know which will fit properly (not a whole lot of cutting) .... the 90' Integra Cold air intake or the 89' Civic Hatch Cold air intake?

(F.Y.I) Any Maker of intake is an option

 

IMO you should just get an intake tube and a big K&N cylinder-type truck filter. Both can be found at most parts stores. You'll end up with a high quality filter, unlike many intake systems available and if you get a big one, it should last almost forever. I had a normal sized cone K&N for the first couple years I had my Del Sol and it wore out to the point that even after cleaning it was still restrictive. I bought the biggest replacement I could fit under the hood and it's now lasted about 8yrs. If you want cold air later on, I'd suggest adding a vent in front of the filter with either a water trap or a removable cover.