so today i went to tweeter.i was lookin to upgrade my door speakers.i was lookin at jl componets.he told me since i have a mach system in my mustang that i would have to change everythin.that changin out the speakers would do nothin.for me to do it good he said that i would need to amp the speakers and change everythin in my car.he said totally price was like 900-1000.front speakers is 150,deck 160,amp 200 for the cheapest on,than wiring it was like 100,amp install is 100,and other stuff.is this stuff true about my car.i just want to change my speakers out for now an amp later.or is it cheapest to amp now.
HELP ME OUT PLZ
HELP ME OUT PLZ
