Need an ignition interlock device near Le Mars? Intoxalock is available at Mr Muffler Exhaust Specialist, a certified Intoxalock ignition interlock installer. We can install your breathalyzer in cars, trucks, vans and other vehicles.In the small town of Le Mars, Iowa, Mr. Muffler offers quality repair and maintenance services for vehicles. Their experienced and knowledgeable ASE-Certified technicians will work to get you serviced and back on the road. Mr. Muffler is one of our local Intoxalock certified locations with convenient hours, prices and services near you. As a certified Intoxalock provider, you can count on reliable, quality service. In addition, they offer SafeRoute Roadside Assistance Program for fuel, oil, and water service, lockout and flat tire assistance and battery jump-start. Stop by their location on 12th Avenue across the street from Hy-Vee. Call to schedule an appointment to get your device installed, hassle free.