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Old 06-10-2010, 03:18 AM   #77
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I have just a freer flowing exhaust on my car, (2.25" to a flowmaster super 44) and it fluctuates too, almost turns it into a loping idle at stop. I've heard that because of the fly by wire thing, if you only install one of the two (intake OR exhaust) because one end flows way more freely now, the computer gets a little confused. I've heard once you free up both ends of the equation, it's supposed to smooth it out. Or a tune lol. And mine didn't have the stutter stock either.
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