Audio replacement
 

Good afternoon.
I own a 2019 Ridgeline RTL. Has anyone been able to replace their audio system with an aftermarket unit. I've been shopping around and some shops say no they can't and others tell me, yes, it's possible but with alot of alterations to the wiring and sacrifices to sound quality. At this point I'm choosing not to go ahead with it unless I hear some promising stories.
Thanks.