Return to 2007-2012 Cummins 6.7L PRO Performance Module NO-DEF
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5 of 5 2009 Dodge 3500 March 25, 2019
Reviewer: Frederick Brooks from White House, TN United States  
Directions were easy to understand and follow.  The only issue was how difficult it is to access the plug located at end of the fuel rail. All in all the module does well with increase HP when needed and better fuel economy

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5 of 5 2013 lariet mega cab dually February 9, 2019
Reviewer: Terry Thornton from Yuma, AZ United States  
Received chip in the time I was given. Installed it and got an immediate increase of 2 miles to gallon.   Switched to 3rd setting an didn't see much more so I called and was told to drive it 500 miles. Went on road trip to idaho and got 18 mpg compared to 14.8 the last trip.    Very satisfied.

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5 of 5 2007 3500 January 23, 2019
Reviewer: Greg from Oregon United States  
Crew at Powerup we’re ez to deal with and delivered as expected...  I was not looking for a hot rod, just an improvement in fuel mileage.  Installation was a bit of a challenge that I chose to let a good mechanic deal with, but in reality, watching him do it, I might have been able to pull it off, but it would have taken a lot longer!  The results were...  a noticeable increase in power about 10% better mileage, though I will be doing more “research” to confirm this.

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4 of 5 2012 December 21, 2018
Reviewer: Timothy Cramlet from Lebanon, OR United States  
Ordered this product received it in 3 days which is pretty fast, the install was a little more than I expected but got it done, tried to start the truck and it would run but not well, called the tech line and was told that we had probably got the plug turned around, tried that and still wouldn't run well, called again and was told to call on Monday and they would do an RMA and send me a new box, made the call Monday morning and received the new box on Wednesday, plugged it in and it ran perfectly. All in all happy with the performance and fuel economy so far, have only ran 1 tank of fuel at this point but pretty happy. Very impressed with the customer service end of this purchase, even though the first box didn't work

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5 of 5 2010 Ram 2500 December 10, 2018
Reviewer: Rich from Walters, OK United States  
Happy so far gas milage is up 2.5 mpg and climbing.

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5 of 5 2012 Ram 2500 cummins hd November 23, 2018
Reviewer: James Hall from Madison Heights , VA United States  
All they said it would do and more great added power and about 3 miles per gallon increase in town driving and pushing 5 on open road as long as I behave myself, great product highly recommend

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3 of 5 2008 November 8, 2018
Reviewer: Thomas Puryear from Reidsville , NC United States  
The Module does improve power, but it did not increase my fuel mileage as much as advertised. I may have picked up a mile per gal or so and that is the main reason I bought the item. I do believe the item is worth the purchase, but it will take a long time to pay for itself. The instructions could be in greater detail for installation.

(*** Diesel Domination Note: The 2007+ Ram Cummins is notorious for having a weak fuel rail valve spring which can contribute to lack of solid mileage increase. If you Google Ram Cummins rail valve shim kit you will see many companies offering a fix for this issue, We include a shim kit with every module.)

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