If your gonna get a loud system, more than likely your stock battery won't be able to handle it. If your looking for quality def look into DC, sundown, DD, AudioQ. Since you dont have much experience you should look for someone who actually knows what their doing around your area. I would say find a shop but around my area the guys at the shop aren't the most knowledgeable and if I didn't buy their overpriced kicker, mtx, or alpine stuff I have a hard time getting them to help. So stick around the forum and read through some threads before you purchase anything.