the LED's on the side of my seats actually works when the door is close, it gives a glow on the door and I didn't use bar its all LED strip, these are the brightest I have seen and I actually sell these if you need any, you can email me for what color I have mainard1@hotmail.com I sell the small...
I disagree, if its dipped correctly it will last, seen them on a lot of cars? if you powdercoat its expensive and they need the car for at least 2 days and you cannot go back to eom
if you are putting aftermarket speakers its best to put an amp on it. your factory headunit most likely only outputs 15-20watts rms while aftermarket speakers are at least 50watts rms
If the battery holds charge what else is there? its either going to work or not. There is really nothing more to it in batteries and for the price you can get a much better battery for a lot less