Eaton Detroit Truetrac Differential 30 Spline 1.31in Axle Shaft Dia 3.92 & Up Ratio Rear Dana 44 Forced Induction>Intercoolers Recommended only for vehicles with

Recommended only for vehicles with substantial engine upgrades that require a 3" exhaust

When exposed to atmospheric pressure

Installation time is about 2-3 hours

and zinc-plated

the STI sheds approximately 8 lbs

Eaton Detroit Truetrac Differential 30 Spline 1.31in Axle Shaft Dia 3.92 & Up Ratio Rear Dana 44 Forced Induction>Intercoolers Recommended only for vehicles withThe Detroit Truetrac is a helical gear style, limited slip differential that maximizes wheel traction and enhances driving characteristics. Maintenance free, it features smooth, automatic operation in forward and reverse. Its versatility makes Detroit Truetrac the ideal traction solution for almost any type of vehicle.