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  0 of 0 people found the following review helpful:
 
5 of 5 Just finished tune-up, it turned out good May 7, 2019
Reviewer: tom johnson from MarionT, ND United States  
I went for test run, it has good power and performance, engine oil temp. dropped 10 degrees to same as water temp. and big cat turbo works good, thanks again

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5 of 5 ECM Reprogram January 15, 2019
Reviewer: Anonymous Person  
Had a isx cummins emissions deleted and m18 did the reprogramming. Easy to communicate and deal with! Very happy with the tune.

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5 of 5 Cummins tunes December 23, 2018
Reviewer: HTI from Tazewell VA  
Great people to work with. Quality service

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  0 of 0 people found the following review helpful:
 
5 of 5 Worth every penny December 30, 2016
Reviewer: Edmond Sutton from miami, FL United States  
Best investment to my truck so far.  a clear difference in power and smoothness thanks

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  0 of 0 people found the following review helpful:
 
5 of 5 ecm tuning October 27, 2016
Reviewer: Tim Monteforte from Oklahoma City, OK United States  
Great job thank you

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  0 of 0 people found the following review helpful:
 
5 of 5 Cummins delete November 14, 2015
Reviewer: Seth Creech from Mullins, SC United States  
this is my third delete with m18 and Justin always does a good job. The kits are precisely made and there is no guess work. Clean kit. Best people to deal with and most reasonable price.
Thanks a lot Justin

Seth


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  0 of 0 people found the following review helpful:
 
5 of 5 isx tunning August 29, 2015
Reviewer: MICHAEL MUTUKU from DURHAM, NC United States  
excellent service. definately will shop again

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  0 of 0 people found the following review helpful:
 
5 of 5 Cummins PROFESSIONAL September 19, 2014
Reviewer: Dennis Mechanic from WA United States  
Excellent service, professional knowledge of cummins.

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