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St Louis Performance Chips

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Latest Customer Reviews

Hypertech Speedometer Calibrator Reviews


Speedo Calibrator Works Great!

Reviewed By Ben G (Middleville, MI) Reviewed for a 2006 Toyota Tacoma —6/27/2017 6:22 AM

This is exactly what I needed to fix my speedometer. It was 5mph off due to putting on a larger tire. Work great I would recommend for speedo calibration.

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Hypertech Max Energy Programmer Reviews


2015 Silverado

Reviewed By Elliot A (Pine Level, NC) Reviewed for a 2015 Chevy Silverado —6/26/2017 8:46 PM

Did exactly what it was supposed to do. Had to update but no big deal, only pulled radio fuse, although no OnStar sub, maybe 1 mpg lower fuel economy. Great product!

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Superchips Flashpaq F5 Tuner Reviews


Some Extra Power

Reviewed By Megan H (MISSOULA, MT) Reviewed for a 2005 Dodge Dakota —6/26/2017 1:05 PM

Been running on 91 octane Performance tune since I received it. I enjoy the additional power, higher revs and more firm shifts. I got what I was looking for out of it. Installed on engine with existing cold air intake, high flow muffler and ported throttle body

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