Well i have a'91 familia (323) also, but i luckily have the 1.8l turbo 4wd variant
If you're just looking for a bit of extra poke, get a decent air intake./filter setup, a 2 - 2.5 inch exhaust system from the cat back, and perhaps some headers as well..
www.corksport.com carries a lot of mazda preformance stuff...
:alien2: