I have a 2001 nissan pathfinder and it had the premium bose system in it.
I
replaced the HU with an alpine 9815 and threw in 2 jl 12w7's but the only
thing I did for the doors is put a PIE converter on so there would not be
any problems with the head uit to factory speakers. Is it worth getting
the
factorys replaced. Im used to the highschool days where all i did was cap
off the factorys and use them as tweeters. so if you have any input please
let me know

Depends what you're trying to achieve. The fact that you put a pair of
12w7's in there without upgrading the speakers sort of indicates that you're
more interested in bass than accurately reproducing the music, no? If
that's the case, or if you have no plans on driving aftermarket speakers
with an amplifier, then your best bet is probably to keep the Bose speakers.