Lets face it. The Automatic Transmission Ford put in your Mustang from the factory was a literal slushbox. Even Granny wants to catch a 1-2 scratch every now & then! Adding even the slightest amount of power to your Mustang can cause the stock AOD to lose it's guts. Luckily Performance Automatic, B&M, TCI, & others figgured out how to make Ford Automatic Transmissions handle some Horsepower! Take a look at our full line of High Performance C4, AOD, AOD-E, 4R70W, & 5R55S Mustang Automatic Transmission assemblies & get your Mustang shifting like it should!