Anybody install a new rear differential?
#1
Anybody install a new rear differential?
i did on my E36 M3 to a 3.73 from stock 3.26. huge difference in low end torque. top speed was cut down to 135mph range but i figure i shouldnt be going that fast anyways.
question is, will this affect the Porsche PSM?
question is, will this affect the Porsche PSM?