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So I bought an 08 lmm 6 or so years ago and it had the dpf removed with only the cat remaining, I'm assuming for a muffler? I've just now gotten around to doing an egr delete as I scored a good deal on a ppe cold side pipe that is a 2 piece allowing the grid heater to be retained. My question is, since the dpf is gone the previous owner must have done a single delete tune, no finger stick, will that tune allow the egr removal with no engine light?
 

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2017 GMC Denali 2500HD, 3.5" Rough Country Lift, 305/55R20 Cooper Rugged Trek, Paragon Bed Cover
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You'll need to contact the tuner to know whether or not the EGR can be removed. We can't discuss how to do weight loss surgeries on the trucks on here anymore. Shutting this thread down.
 
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