I switched out the stock speakers on my 2017 Ram 1500 Express. Took about 2 hours and all hooked up with wiring harnesses to the factor wiring. Essentially plug and play. 1
Old dodge ram audio. 6x9 speakers, behind seat sub, two amps. | eBay
6x9-Inch 3-Way Premium Triax Ultra-thin Dodge Ram 2500 Front Door Repl – Retro Manufacturing
Infinity Primus for Dodge Ram PR9613IS 6x9” 3-way Speakers + PR5012IS 5.25" 2-way Speakers - Walmart.com