Need an ignition interlock device near Covina? Intoxalock is available at Quality Muffler and Brake, a certified Intoxalock ignition interlock installer. We can install your breathalyzer in cars, trucks, vans and other vehicles.Quality Muffler and Brake is your local certified Intoxalock ignition interlock device installation location in Covina, CA. With convenient hours, prices and services near you, you're guaranteed to get the best quality ignition interlock services. Now under new management, this bustling shop goes above and beyond for every customer. Certified installers can help to answer all of your questions and show you how to use your ignition interlock device. When you're stopping in, be sure to check out Quality Muffler and Brake's variety of other services and products. The mechanics are extremely knowledgeable and offer modifications and upgrades for your vehicles as well. As a certified Intoxalock provider, you can count on reliable, quality service. Same day installation makes it easy for you to schedule services. Their experienced team focuses on delivering services that exceed Intoxalock customers expectations in a timely manner to get you back on the road as quickly and safely as possible. We make it easy at Intoxalock by providing more service centers closer to you and helping to get your ignition interlock installation, removal and services scheduled quickly so that you don't have to worry about it. These mechanics will work with you every step of the way. For the many years weíve been in business, we have been striving to provide our clients the best quality service possible to gain their full satisfaction. Let us get you set up, call today to schedule your appointment!