Originally Posted by johnpik
i am looking into the option of swaping my a/t to m/t, and after several service shops they told me i need to swap the rear diff also. is this true?
my Impreza is 2003 GX 2.0L AWD non turbo automatic.
You only need a new rear diff if you don't use the correct transmission. Make sure to get one with the right ratio.
Back on topic.