You just call in, and just give him your info, and once 10 people call in, he will start sending them out. He won't charge you till he is ready to send em out.
btw, I got the system you are looking to get.
SVTcoop
98 Black CSVT
Indiglo Gauges, including HVAC, KKM Intake
Exhaust: Brullen loud system with 4" tips, Moddified stock Y-pipe
Sound System: Alpine 9815 Deck, Alpine SPX-177A comps, 2 Lambda 12" subs.