O/R h-pipe tune required? - Ford Mustang Forum
 
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post #1 of 4 (permalink) Old 10-02-2012 Thread Starter
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O/R h-pipe tune required?

If I install an O/R h pipe, will I have to get a tune? I'm guessing it throws a CEL since the cats are gone and a tune fixes this?

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post #2 of 4 (permalink) Old 10-02-2012
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tune also fixes the a/f ratio from removing the cats. The rear o2 sensors need turned off or it will run lean and burn up the valves. (according to the exhaust shop i tried to get cut off my cats)


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post #3 of 4 (permalink) Old 10-03-2012 Thread Starter
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Good to know. Don't want to burn up any valves.
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post #4 of 4 (permalink) Old 10-03-2012
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I concur with what has been said here, a custom tune will be required to eliminate the engine light as well as adjust your AFR a little for the higher air flow.

Something like the DiabloSport inTune will really make a difference and can be custom tuned at many local shops for exactly what you're looking for!
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