No details necessary. I know about tirerack and all those cool sites. It's just to see if anyone has SEEN a mismatch
ANYWAYYYY
The question is, having black rims on a black car... Wouldnt it be possible that the black rims not be the exact shade of black... as the car! and then it looks...
I see all over the internet that if I want to put a head unit in my 2006 Chevrolet Cobalt (LS. no onstar) that besides a dash kit and whatnot, I'll need a $120 wire harness.
Apparently its for the chimes/turn signals/dash info center(I don't even have that in my headunit!!)
But then all over...
Your friends are wrong!
If you really underpower your speakers (that is--supply them with lower wattage than rated) you will damage them and eventually blow them or your amp/head out. You're running a stock head unit with no amp, so you're probably pushing 15 rms.
Though a speaker that can...