Weird cause IIRC when I mated up my 75MM MAF a few weeks ago with the CTA intake they butted up nicely. My problem was just that the car ran like crap witht he MAF so I had to take it off. Maybe you got the wrong intake pipe from CTA? Or, and I don't say this to treat you like an idiot, maybe you are putting the MAF on backwards because I think the other end is a lot wider.

Formerly known as Sneaku I MISS MY BABY!!! '00 Blk CSVT #1087/2150 built 12/23/99