getting the engine worked on and put in a cold air intake
Acura makes the Integra.
Honda Civics were built for the purpose of an eco friendly familial vehicle, and Acura Integras are considered to be sport coupes. From factory the Acura Integra is considerably faster than its Civic counterpart.
91 acura integra has a b18 91 acura integra has a b18
no
By sifting through the grammar problems are you asking which car would be faster in a race? If so the Honda S2000 is hands down faster then a stock acura integra gs in all aspects. However many acura integras are not stock, so keep that in mind.
YES!
Yes it will fit
It really depends on the year of the cars, let's say there both a 2000 year model the Prelude will be faster than the Integra. However, if you also consider the Integra Type R, it will be faster than the Prelude for 0-60 and quarter mile.
How to install a boost gauge in a acura integra?"
Yes
Yes it will fit.
When looking to buy parts for an Acura Integra then this may be possible by visiting the Acura Parts Online website that sells official parts for the Acura Integra.