2013 WRX -- How to upgrade differential?
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This is a discussion on 2013 WRX -- How to upgrade differential? within the Everyday Impreza Talk forums, part of the Community - Meet other Enthusiasts category; Hello guys, I have a 2013 WRX hatch, what do I do if I install aftermarket front / center / ...

  1. #1
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    2013 WRX -- How to upgrade differential?

    Hello guys,

    I have a 2013 WRX hatch, what do I do if I install aftermarket front / center / rear differentials made by cusco? How do I prevent the ABS from pretending to be a differential if there is already an aftermarket diff installed?

    Thank you... looking at upgrading to mechanical diffs!

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  3. #2
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    I asked this question on NASIOC, no response either... Hmm... I guess people dont often upgrade the diffs in their WRX's (non-sti)?

  4. #3
    Registered User Docc99's Avatar
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    Are you sure it's worth the effort/cost?

  5. #4
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    I assume you're talking about putting in some torque-biased differentials from Cusco.

    The way those behave I don't think you would have to do anything, they should react before the VDC has a chance to take action.

    If you really want to make sure, you can pull the ABS fuse under the hood, that will kill the ABS and VDC, but your ABS light will come on.

    I haven't done this now, but my 2008 Forester XT has VDC and a rear LSD (viscous) with no issues, they actually came from the factory like that.



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