i just recieved 2 bose 6x9'* from a very generous member , and i was wondering if theyll work, and if they would, would there be any gain in sound quality?

They often have weird impedances.

I’d just stick with some half decent pioneers/alpine/infinitys

ne more input? are they not worth installing then?

install em for the hell of it... i have no idea how they are gonna sound...

but from my listening, bose systems in our cars are NOT that grea

I prefer Monsoon'* myself

is it just a straight swap?

The bose speakers will more than likely use a different connector, if any at all. A lot of times the gm bose speakers just use spade plugs like normal aftermarket speakers, and they have their own special adaptor to mate to the gm body wiring harness. It should just be a straight swap, but your factory HU may not like it. Like was stated before, bose speakers often use 1-2 OHM speakers, delco units usually like 4 OHM, sometimes even 10 OHM speakers.

i have an alpine cda-9851.

what year are the Speakers from 97-99.....because that youul make it easier

97 ssei