LS3, no moonroof. I can email the Synergy brochure if you don't have it already so you can see the Synergy specific options it has. It does not have the 21" Synergy wheels. It's the standard 20s all the way around.

Is it an LS3? Moonfoof?

Yes. I'd be willing to sell it anytime. I'm overseas right now so it's just sitting in storage. I haven't determined a price yet, but I'd give someone a fair price if you know anyone who's interested. If I remember right it's got just over 5k miles on it and has all the usual bolt ons (SW headers/exhaust, SLP intake, Vmax, etc). I've got the dynos and the stock exhaust and air box if the buyer wants them.

Will you be selling your Synergy when you get your ZL1?