Best Handheld Tuner

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AaronDenaliXL08

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I am brand new to the full-size SUV game, and I am looking to unlock the full potential of my wife's family hauler. We bought an '08 Yukon XL Denali, and I'm just curious about which of the many handheld tuners you recommend for improving performance and mileage. I'm not looking at doing anything too crazy, because, as I said, this is just a family hauler.

I've got the 6.2L V-8 motor with slightly oversized tires, but not planning on keeping them when we need to replace. I don't think we have AFM.

Any recommendations on best hand-held tuners is greatly appreciated.
 

kbuskill

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I am brand new to the full-size SUV game, and I am looking to unlock the full potential of my wife's family hauler. We bought an '08 Yukon XL Denali, and I'm just curious about which of the many handheld tuners you recommend for improving performance and mileage. I'm not looking at doing anything too crazy, because, as I said, this is just a family hauler.

I've got the 6.2L V-8 motor with slightly oversized tires, but not planning on keeping them when we need to replace. I don't think we have AFM.

Any recommendations on best hand-held tuners is greatly appreciated.

I personally run a Diablo Sport I2 with a custom tune from Diablew on my '08 Suburban LTZ with the 5.3L.

The canned tunes are ok but having the custom tune makes a big improvement. More power, shifts better, accelerates better, AFM turned off.
 

BlackBearPerf

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I am brand new to the full-size SUV game, and I am looking to unlock the full potential of my wife's family hauler. We bought an '08 Yukon XL Denali, and I'm just curious about which of the many handheld tuners you recommend for improving performance and mileage. I'm not looking at doing anything too crazy, because, as I said, this is just a family hauler.

I've got the 6.2L V-8 motor with slightly oversized tires, but not planning on keeping them when we need to replace. I don't think we have AFM.

Any recommendations on best hand-held tuners is greatly appreciated.
Not sure if you decided on a handheld tuner, but we can custom tune your Denali with our AutoCal. All tuning is done via email, and is based off seeing your specific vehicle data.
 

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