Tires too big for Demon?

Hey Demon hard to tell but thats the size on the rear of my car in the one pic 245's rear, actually went to 15's and still have the rims and 245'sfor sale if your looking for used stuff. Mopartechs right dont turn well with fat tires up front I have manual steering so even worse. Dhttp://www.cardomain.com/ride/2482122