audio build

First post here have found a lot of useful information but can’t find the answers for my next step in upgrading my base 6 speaker stereo. It’s also my first time doing any car audio. I’ve added a ap4-ch41 and a 4 channel amp that drives 4ohms speakers my question is can I run 4ohm speakers in...

Could someone provide a full suggested parts list to upgrade a 2022 Crew Cab Big Horn audio, including sub and amp? 8.4” U Connect I’m not 100% about what connectors are required. Probably would like to stay between $1,500 - $2,500.

So far have only done a few modifications to my truck: S&B CAI, Roll-N-Lock BT488A, Rough Country Steering Box Stabilizer, Boost Auto Switch Backs, Xpel film, Xpel tint and Banks Pedal Monster. Next is a sound system upgrade. Adding two Rockford Fosgate P3D4-12 speakers, in a Fox Acoustics Ram...

Has anyone measured the max Speaker Depth f&r and the sail panels? I'm working on a light SQ build and I'm looking at some CDT 6x9 woofers in the front doors and can't find if 3.25in mounting depth will fit. Also not sure if I can flush mount tweeters into the sail panels. My plan so far is 6x9...