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2004 Chevy Silverado Performance Chips & Programmers

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Latest Customer Reviews

Bully Dog A-Pillar Mount Reviews


2004 Silverado 1500

Reviewed By Alan F (JBER, AK) Reviewed for a 2004 Chevy Silverado —7/20/2018 9:44 PM

Fits right over my driver side A pillar. Very easy to install and looks great.

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Hypertech Speedometer Calibrator Reviews


Worked great

Reviewed By Terry H (King George, VA) Reviewed for a 2004 Chevy Silverado —11/4/2017 5:48 AM

Very easy to use totally satisfied

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Hypertech Max Energy Programmer Reviews


GTO power with Hypertech

Reviewed By Abram L (LA MADERA, NM) Reviewed for a 2004 Chevy Silverado —5/3/2017 7:15 PM

Made a believer out of me! Haven't had that kind of power since my 1967 ram air GTO. Happy with it. Plus drove to Mexico and drove 80 mph and got 19.3 mpg, "640 miles" can't beat that, wow!!

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