Second problem today! Exhaust fell off

[300SD81]

First the wipers, now my exhaust pipe fell off... It was in my driveway, so no damage. It tore all the rubber mounts. I disconnected it at the coupling under the car, and tied the section coming from the downpipe with some wire so it can't get too low. I tend to drive with the windows open, so theres no worry about fumes, but will there be any heat issues under the car? I only plan on leaving it like this until this weekend, when I can go to the junkyard and hopefully grab the suspension parts I need, and some pipes, since its already off, might as well go with stright pipes... I love the sound..louder than a semi