Right up against the budget, but no compromises here. Should sound awesome. Rear speakers are superfluous.
Zombie_hickey is the homie and I put in sound deadening material I got from amazon, it was cheap and easy to apply.
https://imgur.com/gallery/lBOff
This is the material we used (plenty for the entire cab of a ranger) Noico 50 mil 50 sqft car Sound deadening mat https://www.amazon.com/dp/B00URR4O5I/ref=cm_sw_r_cp_apap_8DRzqRec6Lm8e