They may have paid with an E check or something close to that. Pay Pal will notify you once the funds are deposited into your account. We see this quite a lot here at the store. Do not ship till they tell you that the funs have been deposited into your account!
Off topic from this. I take you have a T Bolt. I am looking for rear suspension upgrades. Could you PM me with what you have done to the back half of youd car.