I just looked at Magic1's list of posts and I don't see where he's asked this question before. Maybe I missed it.

I love my DMH 3" electric cutouts, the kit comes with everything you need and they are good quality, plus he stands behind them as long as you don't smash them against the pavement.

1970 Challenger, all aluminum 528 Hemi, HDK suspension, Tremec 5 speed manual