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View Full Version : TFI or ECM?



just05buell
06-19-2007, 03:17 AM
I have a 05 firebolt XB12R with an airbox delete, K&N filter and afermarket exhaust. Would a TFI work better then an ECM? I am looking for all around preformance on the street, dont have the time to make it out to a track very often.