I have a 2013 challenger rt, how can I find out what type and quantity does my differential need?.
This^So that's a Getrag limited slip, the 75W-90 is good (need 2 quarts) and will also need a bottle of the Mopar limited slip additive.
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Yes but it's high dollar and some say they still had to use the additive so it's a tossup. Last time I used Royal Purple with half bottle of TransX and works great.Doesn't Mopar make the the differential fluid with the friction modifier already added?