Tuning experts - HELP with exhaust retune question
11-19-2011, 11:38 AM
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Tuning experts - HELP with exhaust retune question
I had a thread that some guys said I would NOT need a retune, if I added a muffler with a straight flow design and get rid of the stock muffler.
Due to situation, I have to add some dummy cats to my ORY pipe. So I know that will not effect the tune either. But Im thinking, of doing a 4" catback exhaust after the 3" ORY. and using a 4" muffler and 4" piping to the rear over the axle like stock.
is the BIGGER 4" pipe routing and 4" muffler going to mandate a new tune? or will my current tune work just fine??
Due to situation, I have to add some dummy cats to my ORY pipe. So I know that will not effect the tune either. But Im thinking, of doing a 4" catback exhaust after the 3" ORY. and using a 4" muffler and 4" piping to the rear over the axle like stock.
is the BIGGER 4" pipe routing and 4" muffler going to mandate a new tune? or will my current tune work just fine??
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