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Go For It!
I have a 1990 Ponitac Bonneville SE, and I noticed the same issue, a 2 inch intake. I solved this issue with a K&N cone filter. Basically I removed the whole OEM airbox assembly (be careful not to harm the MAF sensor, just unscrew it.) So what I was left with was the "slinky" hose attached to the throttle body. Then I took a piece of 3" diameter X 3" long PVC, and used it as a coupler between the slinky hose, and this 90 degree rubber hose thing. I think it was meant to couple steel pipe plumbing but it met my needs. I also found that it worked out all to well to screw the MAF sensore into the PVC pipe. Now I have a 1 1/2 ft. arm sticking out of the throttle body, curving to a 90 dg angle. I took the K&N filter and coupled it to the elbow with another piece of 3" PVC and some hose clamps. If you really want to make it look pretty, use chrome piping and the couplers made for it. I didn't have the time or money to get my own pipe pieces so I used what the hardware store had. Remeber to measure your throttle body opening, and the filter, so you know what type of piping sizes to use. 3" is usually the standard size. Check out the pic, or else look at other cold air intakes for some ideas. As long as you put in the MAF sensor somwhere between the filter and the throttle body, you will be OK. Enjoy the amazing power increase!
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