There is probably a transmission shop in almost every town in the country that can build a bulletproof transmission for American made vehicles. Whether it is a late model Mustang or a 60s Chevelle, there are lots of aftermarket components and many years of technology available for the transmission rebuilder to utilize.
The same cannot be said for the 4EAT automatic transmissions found in Subaru vehicles. In factory form, these transmissions demonstrate several problem areas that can cause failure in as little as 20,000 miles with a stock engine and even sooner in modified applications.
Poor shift quality, anemic factory components, and above all, improperly configured torque converters plague the automatic transmission equipped vehicle. This is in conjunction with the automatics propensity to burn out the high clutch pack (third gear) and the 2-4 clutches (second and fourth gear) with even moderate increases in engine output.
Realizing the need to take import and sport compact automatics to their fullest potential, IPT Performance Transmissions- a New Jersey based company, committed a large portion of their research time and dollars toward improving the...