For a '95 you need the MAF, a chip or tuner, a silicon adapter to adapt the 4" MAF to your powerpipe, a MAF adapter for the filter and a 4" cone style filter and finally a late model MAF harness.
We sell the chips, harnesses, MAF adapters - or use a TwEECer - Jegs or Summit has the Filters, Hose Techniques will have the hose adapters - and sometimes you can make a Home Depot rubber plumbing adapter work too.
Usually the car need to be on a dyno or at least have a wide band attached, because as good as these MAFs are, they can't compensate for different inlet tracts. And 'base' tunes are usually not good enough.
Don