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I've got a 2017 Chevy Colorado Duramax on 35's with a 6-inch lift kit. I'm looking for a tuner that can delete the exhaust, Fix my speedometer (3-4 mph difference), and boost the performance (HP/MPG). Any help would be greatly appreciated.
 

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My truck is 9” higher and 12” wider than stock, she handles like on rails now!
I did the duramax tuner and running eco sport mode. I’m not deleted because here where I live it’ll be an issue selling her.
My Speedo is correct too.
My next mod will be gears.
Now when I floor it she jumps :)
 

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My truck is 9” higher and 12” wider than stock, she handles like on rails now!
I did the duramax tuner and running eco sport mode. I’m not deleted because here where I live it’ll be an issue selling her.
My Speedo is correct too.
My next mod will be gears.
Now when I floor it she jumps :)
I don't care about selling I'm going to run mine into the ground.....and I think the duramax tuner is the best as well. It wakes these engines up and the transmission tune is great too it runs at lower rpms when cruising it saves a bit more fuel
 

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My truck is 9” higher and 12” wider than stock, she handles like on rails now!
I did the duramax tuner and running eco sport mode. I’m not deleted because here where I live it’ll be an issue selling her.
My Speedo is correct too.
My next mod will be gears.
Now when I floor it she jumps :)
What kift kit did you use? Any pics?
 
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