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Hi was looking to buy a ISF and i want to know if i put a intake , headers , and a complete exhsaust system , i have to make any retune or reflash to the ecu ????, or the car make alone the retune ?
there is no tuning solution for us ecu yet, but the ecu will self calibrate for a/f which is intake, headers, exhaust. I would reset the ecu by unplugging the negative terminal on the battery for 5-10mins after each modification