I had a tough time finding an adaptor that would fit.
So, I just made one.
If you are no longer going to use the airbox, cut the mounting point for the maf out, go to the hardware store and get some ABS tube fittings that will fit the filter and use some ABS plastic weld to join the fitting to the piece of airbox that you cut out.
I wish i had some pics to show you, but it's super easy and very inexpensive to complete this. (cost me $7 to make as opposed to 50ish to buy)

Good luck


John.

96 LX 3.0L MTX - Black/Tan K&N; 12lb F/W & uprated clutch 2.5" Pipe; SVT bits; Mystery Mod; Pull-tie Mod; UN-tuned Mod; 3rd Gear Synro-Crunch Mod 280K on the Shell, and 40ish on the Motor... 1/4 mile?? Yeah, it's a fun daily driver...