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1998 GMC Yukon Performance Chips & Programmers

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Latest Customer Reviews

Jet Performance Programmer Reviews

So far, so good

Reviewed By DAN T (Houston, TX) Reviewed for a 1998 GMC Yukon —12/4/2006 12:25 PM

Ordered this particular brand after reading complaints of others not having large enough tire size speedo corrections. My tires are 35" but Jet caple of 44" (I think) in 1/2" steps. OBDII reader funtion did show error code (transient problem) & reset (extinquish) 'service engine soon' light. Performance increase most notably from tranny shift points (speed & RPM) & firmness. Remebers stock settings of 1 vehicle only, so don't plan on using on multiple cars. I will reset to stock for next emissions check.

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Hypertech Max Energy Programmer Reviews

Easy to use

Reviewed By adam e (HILLSBORO, OR) Reviewed for a 2016 GMC Yukon —3/28/2017 11:00 AM

Device was very easy to use. Took a few times for computer to recognize to perform updates. Other than that no problems. Vehicle seems to be working great with updates.

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Edge Insight CS2 Monitor Reviews

Small, but still very easy to read.

Reviewed By Brian B (Billings, MT) Reviewed for a 2016 GMC Sierra —4/4/2018 6:01 AM

Super easy install. The device is tiny but still really easy to read. Tons of information.

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