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I have an '06 5.7 with K&N CAI and superchip installed. I recently had a Magnaflow catback system added as well and have been seeing an idle issue ever since. The idle dips and rises and I am wondering if the superchip needs to be reprogrammed for this mod. Does anyone have info on this situation?
Thanks,
Barry in L.A.
Thanks,
Barry in L.A.