Rocky Mountain Auto & Muffler 970-824-5749
Visit website 1694 Yampa Avenue, Craig, CO 81625 Opens today at 8 a.m.
Products / Mufflers
Inside a muffler, you'll find a deceptively simple set of tubes with some holes in them. These tubes and chambers are actuall y as finely tuned as a musical instrument. They are designed to reflect the sound waves produced by the engine in such a way that they partially cancel themselves out.