Yes, the stock rubber intake (even with metal insert) is no good with the ATR43.
I made a nice metal intake out of a 45degree 3inch peice of exhaust pipe i picked up... (i welded in the bov return and breather) to the pipe aswell. Painted it black and unless you really REALLY know what you're looking for, my engine bay looks bog stock. I even got the stock heat sheild back over the ATR43 with a small custom bracket
I'm running ATR43G2 .82
Z32, injectors... ect. ect.
My last dyno run got 266, with the stock (completely bent into an S shape) rubber intake and airbox. Boost dropped off considerably due to this
will be going back to the dyno very shortly and i will be very suprised if I don't get above 280... The car feels WAY more responsive and more powerfull now with the metal intake
Harey your dump will fit up, just might need to ask it nicely