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    Diablosport or HP Tuners for 2014 5.7

    Hi guys. Looking for a bit of advice regrading a tuner for my 2014 5.7l 8 speed 4x4 CC. I have a set of ARH headers with hi flow cats with a Magnaflow 15363 catback being fitted shortly, and most likely an s&b intake. I am a little concerned that my truck may run lean after these changes, so...
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