build ideas

I made a post but I have no clue and what I really want or need. To start I want to replace my 20+ year old 12"subs,. And I want to add some 2-way 6x9". I will be tapping into existing door speaker wire for signal to a line out converter. Question 1. Should I be saving money?? and using my...

Hey guys, thanks for taking your time to read my post. I need a little help. I have a 2009 Chevrolet Suburban 1500 LT. I have a system inside of it already, a 12 inch Alpine S, Club A5055 amp, High end Pioneer Headunit, and Infinity Kappa high end speakers. I want to take this build to the next...