I was wandering if yall guys could tell a difference in how the truck ran when yall got any of these. pcv reroute, egr delete kit, dpf delete, straight pipe, turbo down pipe. I know some of you guys have a bunch of stuff done to your duramaxs. Just wandering what i should do or stay away from. I was thinking efi live and all of the above stated. Any info would be great. Oh yea and when do you start consider having tranny rebuilt or getting a lift pump
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PCV reroute is purely emission and you won't see/feel any change. EGR delete will help a little with throttle response but not sure that the cost is justified in performance or mileage increase. Most people just do the blocker plate for emission purposes and are fine with it. DPF delete will help tremendously with sound and performance. I have a full 4" exhaust including downpipe and muffler and love how mine sounds. I'm not a fan of straight piping at all though. Any time you add power it's a good idea to add a lift pump to compensate for the increase in fuel, with that said I still haven't got around to getting one yet so it won't hurt you much. Same with trans, any time you add power it's good to have it built but you can last or a long time with a good tuner and staying within the +75-80 hp range.
I saw your other thread and personally I would stay away from an ATS trans and I'm not very fond of duramaxtuners tunes either. I ran his for a few months before I went with ATP and Rob's are much smoother and are written in a much better way -
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