Ross AUTO & MUFFLER, INC. will be CLOSED the week of May 18. We will be painting our shop. Sorry for the inconvenience. Reopening on Tuesday, May 26 with normal hours. 222 S. Marion Ave Washington, IA 319-653-5656 Ross AUTO & MUFFLER, INC. will be CLOSED the week of May 18. We will be painting our shop. Sorry for the inconvenience. Reopening on Tuesday, May 26 with normal hours. 222 S. Marion Ave Washington, IA 319-653-5656