This video should be helpful if you ever get a flat with an SRT. Of course, there are two other options: 1. Call road service and get your car towed, and 2. Plug the leak with a patch kit (and avoid the goop fouling your tire pressure sensor). How to use the Tire Inflation Kit in your SRT8 vehicle. - YouTube
I purchased a tire plug kit. I have heard that the tire goop really throws the tire out of balance and, because of this, it is no good for speeds over 50 mph.