Your Complete Auto Repair Center. Exhaust Masters-Total Car Care Center is an automobile repair and service shop located in Merrillville, IN. We are a complete auto repair shop that has served our community since 1974. We work with domestic and foreign cars, and our mechanics are ASE certified. Exhaust Masters-Total Car Care Center offers honest advice and suggestions. We can work on anything from brakes, shocks, springs and struts to exhausts and mufflers.