12-03-12, 08:27 PM
no you dont have to and if your not fitting a power comander and having it custom mapped i wouldnt recomend it if you are then yes youl get better results
Aftermarket exhaust. cat removal???
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Aftermarket exhaust. cat removal??? - by Fazerjon - 12-03-12, 08:17 PM
Re: Aftermarket exhaust. cat removal??? - by paul.s - 12-03-12, 08:27 PM
Re: Aftermarket exhaust. cat removal??? - by wraith600 - 14-03-12, 07:39 AM
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