Tony just shakes his head, stepping out the door when it's opened for him and turning to head up to the chemistry lab.

"I'll take your word for it. You wanna go get this perfect car and I'll go to the chemistry lab, I'll meet you out front?" he offers, mostly because he doesn't want to know where Clark's going to get the car from, he'd rather have plausible deniability if they were going to get in any trouble.