I ordered 2004 GTO coupler on Jul 13 2013 and they ship it today , so that is 21 days , I was sending emails to them but I didn't get any response. I was afraid that they will not ship my order.
In the future I will order from them again I have no problem waiting.

Conclusions:
don't bother your self by sending emails, they will ship your order.

Revshift thank you.