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GMC Yukon XL Hypertech Performance Chips & Programmers

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Latest Customer Reviews

Hypertech Max Energy Programmer Reviews


GREAT PRODUCT

Reviewed By jimmy h (Little Rock, AR) Reviewed for a 2012 GMC Yukon XL —11/8/2012 11:00 AM

AFTER INSTALING THE PROGRAM IT HAS RAISED MY FUEL MILAGE UP TO 17-18 IN TOWN AND IT DOES NOT SOUND LIKE YOU ARE DRAG RACEING SOMEONE WHEN YOU TRY TO ACCELARATE IT ONLY SHIFTS DOWN ONE GEAR INSTEAD OF THREE AND TACKING OUT.

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Hypertech HyperPAC Reviews


Met Expectations

Reviewed By Lernes H (Woodbridge, VA) Reviewed for a 2002 GMC Yukon XL —7/20/2010 8:18 PM

-idiot proof installation -tremendous flexibility -improved performance -gadget lovers dream

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Hypertech Speedometer Calibrator Reviews


does the job

Reviewed By lawrence c (LENOIR, NC) Reviewed for a 2013 Dodge Ram —2/27/2015 2:03 AM

This item does what it says it will. Is a lil expensive but alot cheaper than a speeding ticket. Wish it would allow changes in tenths of an inch instead of quarters.

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