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I would go with the TRD supercharger as polo posted. It should fit your needs, not too much power but enough for when you need it. And, there are auto Corollas running on the s/c setup but not many on turbo because of the automatic transmission from the Corolla. And please actually read my post regarding the durability and trouble free issue on engines. I'm not saying stock is best or how to spend your money. And if you visit Hass' website you would see that the eManage is part of the fuel system package that is if you opt to pay more. Upgrade to the second package and you will see Hydra but no eManage. Hm..... does that answer your question? If you want to have your engine last if you turbo then your gonna have to learn more. Fuel pressure regulator vs Standalone.
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