GDE epa complaint tune or HD egr shut off would be the best for long term. Exhaust going into the intake makes a nasty mess inside so the sooner you slow it down or cut it off the better the engine will be. Ours was sluggish after AEM the we got GDE off-road tune. No comparison as it brought the...
Delete that sucker! We deleted at 95,000 and really need to clean the intake. EGR tube going into intake had about 1/4 inch of gunk before. Just took it all out at 135,000 and tube was clean. For real if you plan on keeping the truck you need to delete. We have GDE off-road pre EPA interference.