Love to put the windows down and crank the music but of course that caused my 15 year old speakers to blow, specifically the passenger front. Don't know a ton about audio but I do know these speakers are all 2ohm and to keep the factory amp working I have to go back with 2ohm. I got a quote to swap over all speakers including sub to a mid range Alpine 4 ohm with a 5 channel amp for about $1250.00. I have the factory Nav unfortunately too. My question is to those that have had both is it worth the money to do all of that or is it not that much of an "audio upgrade"? I know speaker quality determines a good bit of that but my local stereo shop(which I trust a decent amount) said he just quoted a good middle of the road speaker. Would just rather put my money towards a front bumper and winch but if it makes a pretty big difference I guess I'll invest it into the stereo and just be done. Thoughts??