Small power boost for my F22A

I'm looking into ways to get a little more power out of my 91 LX without giving up to many mpg. I average around 30-35 mpg, all city, lastime I checked. I'm very open to any helpful information anyone can give me. I was also wondering if there are any engine swaps that will give more hp but still around the same mpg.

HP up = MPG down

Your MPG will hurt with the more HP you add like falkore said.  A cold air intake or a short ram will give you a slight increase in HP and the mileage should stay about the same.  Aftermarket exhaust will give you a slight bump in HP as well.  An H22 (engine from a Honda Prelude) swap is pretty much a direct bolt in with your car, but your MPG will probably go down to 25-28(manual trans - worse with an auto) if I had to guess.

I looked into an H22 swap with my f22 5spd for longer gears, but I haven't really decided if I want to pay for higher octane gas to get less mpgs.