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I already have a fordchip for my car, but now I want to add a Pro-M 70mm Maf (24lb calibration from McNew's) and 24lb injectors to get ready for future mods. Has anyone tried this without sending the chip away to be re-burned?
On the old Mustangs this would have worked just fine, and on the new Lightnings it works too (but without the injector change), but what about the Focus?
