Alright so I finally got my project in.
2003 Yukon XL with 280xxx miles on it but solid body for the most part for a 13 year old vehicle. Bad news is needs transmission work good news is it's some simile fixes. Funny thing is it wouldn't shift into 4th gear so going down the back roads it had a line of cars a mile back going 45 mph lol.
Now to the system. I currently got 4 ethos 15s on a Taramps 8k in a Tahoe for daily. It's loud but it can never be loud enough.
8 ethos 15s in 3.5:1 4th order
2 Taramps hd15000s
3 singer 370a
XS power 3100s
2/0 Sky high OFC
Second skin damplifer pro
Not sure on mids and highs yet.
After summer shutdown at work I'm going to tear down strip it out and deaden the whole vehicle. Then after vacation going to start running all my power/ground and get my triple alternator bracket and then go from there. I'm hoping to be down within next year but we will see. Will post pics when I start on it