You wanna talk about being super sneaky? Sure, being quiet is important, but what you drive makes a big difference. I've driven sports-type cars my whole life so I'm kinda used to it. The thought of being sneaky made this came to mind, though:
"Benefits of minivan stealth
Gus Mahon, 7/22/99 In the downtown Putnam shopping mall parking lot, lots of kids in flashy looking cars do burnouts, then they *quickly* run and hide as the local police come to check out each and every car there, trying to find "the culprit". I usually avoid burnouts in public lots, but I decided to prove a point.
I pulled up next to Mustangs and Camaros and started talking with the kids. They thought that there was nothing good about a minivan, and they didn't believe that it was quicker than their cars, so I didn't win any points on speed. I told them that "stealth" was good about a minivan. To show them, I pulled off a big smoky burnout across the parking lot, and much to their amazement (as if the burnout wasn't amazing enough) I just stopped and parked right at the end of my own 2 black strips! The cops came and went by me like I didn't exist. There was still smoke in the air. They checked out everybody's car except mine.

I was the only one with a hot hood, but they never touched it!
Ahhh, stealth...."
--www.turbominivan.com
I am STILL looking for a turbo minivan. Been months now...kinda tricky to find.