3 Star Muffler & Service is a locally owned and operated auto repair facility in McAllen. Vehicle owners can rely on the company's mechanics for solutions to issues affecting their car's filters, suspensions, brakes, engines, air-conditioning units, and tires. Vehicle alignment is also performed by professionals to keep cars stable in a variety of road conditions. Other services include transmission fluid flushes and transfer case replacement. The center accommodates service requests from clients who need emergency repairs.