Keep your car running smoothly with expert auto repair and maintenance from A-1 Performance Transmission in McDonough, Georgia. We repair, maintain and rebuild vehicles of all makes and models, specializing in transmissions and European vehicles.Each member of our expert team brings years of professional experience working on transmissions for foreign and domestic cars, trucks, vans and SUVs. Our shop is equipped with the latest innovations in computerized scanners and digital diagnostic tools to help us quickly and effectively determine the source of your engine's troubles saving you time and money. A-1 Performance Transmission is ASE certified for excellence in automotive services and holds a membership with the Automatic Transmission Rebuilders Association. We offer you trusted service and peace of mind with a 12 month or 12,000 mile labor warranty.Visit A-1 Performance Transmission today for your auto repair, maintenance or transmission rebuild.