you need to give out more info.

what kind of car do you drive?

what do you wanna do with your suspension? do you have the parts? do you want just installation?

what kind of brakes?

electrical system, i wouldnt take it to a performance shop, take it to your local electrical guy. he knows just as much or more than a performance shop and will charge you less.

tint and car audio, sound sensations. call them, they do both.