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I want to buy the new v. 3 kit, but I don't know whether to get the one with or without the ecu. I saw that the one with the ecu is tuned for full exhaust, intake, etc... I don't plan to have any of that for a long time, I'm just going to install the kit as is on a stock '13 FRS. Should I go with an aftermarket ecu like Ecutek? Thanks for any help.
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