Return to EGR Performance Module for C ISX The Ugly Fix™

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No useful instructions on how to install on ISM September 4, 2018 Reviewer: Michael Kollos from Cleveland , MN United States   Three of us spent 2 hours looking for connector and could not find it. No where is there any videos or info on how to install in ISM, everything is ISX except a small side note on instructions that say “Behind the fuel pump on drivers side”. We even pulled the fuel pump off and there is nothing behind it to connect to. Was this review helpful to you?

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Ugly fix picture April 15, 2018 Reviewer: Lee Kelley from Warren, CT United States   I can’t find the place to plug it in! You’re picture you sent to show where it is plugged in is black!! Can you see what the picture looks like? Was this review helpful to you?

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Doesn't work on the ISX 15. January 31, 2018 Reviewer: Eddie Reed from Kingman, AZ United States   I installed this product last Thursday. Ran in and out of California all week. I have absolutely noticed zero difference. I have used my heat gun to look at variables on my intake manifold. EGR valve is still opening, intake manifold at 112°. That means the EGR valve is still opening. When the temperature outside is 60  and my intake manifold is running 112, EGR is opening. This product does not work on an ISX 15. How do I get a refund on the 165.67? I was going to call you guys tomorrow and let you know this product does not work on a ISX. Thanks Eddie (Company's response: So sorry you are having trouble Eddie. Please keep in mind the EGR valve has to be in good working order for our product to work. Give our office a call we'd be happy to assist with this. Thank you.) Was this review helpful to you?

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When delete December 10, 2017 Reviewer: John Bracy from Billings, MT United States   Fast service excellent staff. Seems to run smoother and at times help mph plus stops pulting the oil my main reason installs quickly to boot Was this review helpful to you?

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Cummins isx December 3, 2017 Reviewer: Mark Myers from Orange Park, FL United States   Hi guys. I just want to thank you for what your magnificent product has done for me! Once I received it in the mail, I installed it in my 2010 T660 Kenworth with a Cummins ISX 450 hp. The results are amazing! No more lights, more power, and after a week and 2500 miles or so, it's like a new motor. No more oil sooting up, clogging the oil filter, and shutting down the engine. Acceleration and power is a notable difference. Thank you so much! I am telling all the owner operators I can about your product. Mark Myers Landstar Inway BCO 770-324-3124 Was this review helpful to you?

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4 November 15, 2017 Reviewer: Don Cull from Winnipeg, MB Canada   Great service. But should find a different way for delivery. UPS has a lot of issues. Was this review helpful to you?

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EGR performance module for ISX September 5, 2017 Reviewer: Stan Benson from Huntington, TX United States   I have a 2010 Pete car hauler I've had the ugly fix in for 7200 miles so far I've gained about 3 tenths of a mile a gallon my power seems to be up but I was doing a regin about every 2750 miles and I haven't had to do one yet so far I'm happy and telling friends                 Stan Benson Was this review helpful to you?

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Still evaluating August 10, 2017 Reviewer: Danny Smith from Baxley, GA United States   I've ran 3 tanks of fuel since adding the module. Power improved slightly, but my fuel mileage has gone down by .4 mpg. I'm still testing, but so far I don't see much improvement. Was this review helpful to you?

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Ugly fix isx June 22, 2017 Reviewer: John Haney from Beloit, WI United States   It seems to be working ok. Only issue is at idle i keep getting check engine light coming on for about 15 seconds then goes off a couple minutes later it will do it again Was this review helpful to you?

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EGR Performance Module June 13, 2017 Reviewer: Larry Harvey from MCCOMB, MS United States   I recently purchased the Ugly Fix for our 2010 Winnebago Cummins 8.3 L ISC. Immediately noticed increased in power, Now able to safely merge onto highways at posted speeds. I changed the engine oil and filter after installing the module. The oil has stayed clean for 300 mile since install. Product arrived fast undamaged and the staff was able to answered all questions without  hesitation. Hopefully they will find a solution for the DPF delete. I will buy again if needed. Thanks Was this review helpful to you?