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2003 Chevy Tahoe Performance Chips & Programmers

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Latest Customer Reviews

Hypertech Max Energy Programmer Reviews


2003 Tahoe Z71

Reviewed By Antonio N (Hanover Park, IL) Reviewed for a 2003 Chevy Tahoe —1/5/2016 10:07 AM

You made it easy and convenient. Thanks!

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Bully Dog Triple Dog GT Tuner (49-State Legal) Reviews


My two cents

Reviewed By Braden W (BELLEVUE, NE) Reviewed for a 2003 Chevy Tahoe —6/5/2013 8:43 AM

Currently using the regular gas tune running 89 octane. Noticed more power than running stock with 89 octane. Moving acceleration increased quite a bit but I haven't noticed anything off the line but my truck was already peppy in 1st w/3.73 gears. Highway above 55mph i have noticed roughly 5mpg better mileage and city driving 45mph and under its about the same or worse mpg probably because its kicking in more fuel. Currently watching intake temp vs outside to see if a CAI is colder!

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Jet Performance Module Reviews


Jet Performance Module

Reviewed By mardell s (Pasadena, MD) Reviewed for a 2003 Chevy Tahoe —1/31/2013 7:59 AM

Wanted something to give my tahoe a little extra horsepower. Already installed k&n cold air induction and flowmasters. I did notice a slight horsepower gain with the jet performance module. It seems to respond better then before.

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