Hi I'm a newbie to this site, which, by the way, is great.

I have a few questions:

Do you think that professional installation of a Blinder X-treme system is necessary, or is do-it-yourself installation possible?

If professional installation is recommended, can you recommend someone in the Atlanta area?

A few people seem to say that a Blinder M25 is perfectly fine for a 4-door sedan - would you agree or do you think there is any reason to consider an M45 for your typical 4-door sedan? Do people get nailed by laser from behind?

Thank you for your input!