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6.7L Performance Discussion of 6.7 Liter Dodge Cummins Diesels Related To Performance And Longevity

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Is there any out there that has any knowledge of suping up a new 6.7 without voiding the warrenty? Thanks... JOIN NOW TO REMOVE TRACER

6.7 Upgrades Without Voiding The Warranty

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Old 08-21-2008, 01:29 AM
Rocky Mountain Texan's Avatar
Diesel Enthusiast

Default 6.7 Upgrades Without Voiding The Warranty

Is there any out there that has any knowledge of suping up a new 6.7 without voiding the warrenty? Thanks

Rocky Mountain Texan's Sig:*Daily Driver-93 ctd 5'' exhaust, pump mod, bully dog power pin, 3200 rpm govenor spring, heavy duty transmission cooler, k&N
*Project-97 12 valve 4x4 cummins dually,(For Sale)
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Old 08-21-2008, 06:43 AM
Red_Rattler's Avatar
High Tech Redneck

Jacob Boness

ZERO might be able to get away with an exhaust, thats about it. My bud has a 6.7 with an Edge Bigger intercooler and cold air intake. Truck started to act up took the Edge off still the same problem. Took it to the dealer gets a call the same day to come and pick it up. Gets there and the service manager just hands him the keys on the spot and hands him the techs sheet and on it the tech wrote "Can't diaginois problem, proable caused by all of the AFTERMARKET crap thats on the truck." Thank you have a nice day........ He didn't know if they voided his warranty yet or not

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Last edited by wildbill; 03-10-2009 at 10:03 PM..
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Old 08-21-2008, 06:53 AM
stkdram55's Avatar



hate to say but he's right, you basically cant touch these things without voidin your warranty

---AutoMerged DoublePost---

hey RR we are staying in the Comfort Suites this weekend at scheids, i think thats the name of it i know its comfort something.

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Only 2 defining forces have ever offered to die for you.....Jesus Christ and the American Soldier..
One died for your soul, the other for your freedom.

Last edited by stkdram55; 08-21-2008 at 06:53 AM.. Reason: Automerged Doublepost
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Old 08-21-2008, 10:46 AM
Rocky Mountain Texan's Avatar
Diesel Enthusiast


That's what i figured, damn thats . thanks ya'll

Last edited by DB Admin; 08-21-2008 at 10:58 AM..
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Old 01-31-2009, 11:05 PM
cummins tech's Avatar
Diesel Fan



You can do a cat back exhaust and an Intake but thats about it. cummins is being strict on these new engines. but it all depends on the dealer you take it to.
What you can do is go in to your closest dealer and talk to the service manager and ask him what you can do that will not void it.
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Old 02-03-2009, 04:50 PM
DeepSouthDiesel57's Avatar



Just about the only thing you can do is put a sticker on your truck with dealers now. Just maybe you can get a steering wheel cover

DeepSouthDiesel57's Sig:'07 Dodge 2500 5.9CTD...Smarty Jr., fully straight piped, TQ tube gutted, Silencer ring MIA, BHAF, dipricol gauges(EGT,Boost,Trans Temp)...what to do next
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Old 02-05-2009, 06:26 PM
Harley08's Avatar
Diesel Fan



Already tried, i got mine last april and couldn't do a thing to it unless i got the warranty voided, it was alot of bs but there aint nothing money cant fix so who needs warranty

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Old 02-05-2009, 06:50 PM
midnite><og's Avatar
Diesel Wrench
cheif sitting bull


intake and exhaust, and injectors. but if you have to take it in, you have to take it off. you may b able to get by with injectors. also, look for upgrades from mopar, they shouldnt void the warratny. see if they have an intake/exhaust that works with the truck..

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current ride: 2001 dodge durango.

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Old 02-05-2009, 09:11 PM
cbrahs's Avatar
Diesel Bomber
feel like a 1 legged man gettin my arse kicked!



just like cummins tech said, cat back exhaust and a cold air intake. that is it. injectors are a no go since they are controlled by the ECM with a serial number. higher flows will show up on the ECM in the fuel count . the ECM has the ability to record the amount of fuel used, run time and key cycles. wait for the smarty!

cbrahs's Sig:2011 CC, Laramie, longbed, 3500, Ravelco, FASS 150 xfer pump for 85 gallon aux tank, weather tech mats, B&W hitch, spray liner, bed mat, cabin filter mod, tank vent mod
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Old 02-05-2009, 10:14 PM
kazairl's Avatar
Diesel Bomber



Originally Posted by Harley08 View Post
but there aint nothing money cant fix
Except the lack of it!

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