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2.5i wrx compatability

  1. 2.5i/WRX part compatibility

    Subaru WRX Newbie Support
    Hello, I’m new to working on my 2007 Impreza 2.5i. I have been trying to figure out the difference between the 2.5i and WRX. The car is getting sloppy and I’m wanting to upgrade parts but I don’t know what can be upgraded. Like the rear subframe, can I replace it with WRX parts or do I have to...