You'll be humming a different tune when you install one of our Hummer H3 Power Programmers and Performance Tuners made by the titans of the automotive performance industry! Yeah, go on and admit it—you're a control freak. We understand, because what's not to like about turning your ride into a monster of performance by fine tuning it to meet your personal driving style? You might not have thought it possible to get increased torque, amped up horsepower and better fuel economy all at the same time. But it's a dream come true when you install one of our H3 tuners.
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Towing, hauling, or regular driving—you choose the power level you need. We've got them for gas and diesel and they're a breeze to install, so you're rockin' and rollin' back on the road pronto, discovering what it's like to turn up the volume on your passion for driving to a whole new level. We add on premium warranties, free shipping and our guarantee of the lowest price you'll find anywhere, or we'll refund the difference. Let's face it, deals like this don't get any sweeter!
Hummer H3 Power Programmers & Performance Tuners are Available for the Following Trims & Body Styles:
Hummer H3 Adventure Power Programmers & Performance Tuners
Hummer H3 Alpha Power Programmers & Performance Tuners
Hummer H3 H3X Power Programmers & Performance Tuners
Hummer H3 Luxury Power Programmers & Performance Tuners
Year Range For Hummer H3 Power Programmers & Performance Tuners