This is @willfordbrimlee car, but im posting the build log
Equipment: Pioner avh4400, sundown neo pro 6.5, vifa xt5 tweet, crescendo c6, saz 100.4 3 OA 15v.2. H/O alt(undecided) Batteries(undecided) 100 sqft of knu 80 mil deadener. Also diamon audio cross overs from @rctoddjr59 (sorry it took so long) and 100 ft of knu 12 gauge speaker wire.
Lets start off with some door work, as you can see the stock gm doors are a complete nightmare to seal up.
Got the back layer of deadener on
Making fiber glass bags
bagged up the doors
More to come, going to be a slow build, hopefully the OA's get built soon