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Charlotte Performance Chips

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Latest Customer Reviews

Hypertech Speedometer Calibrator Reviews


Different Tires? You need this! Ram 2500 Cummins, it's a must

Reviewed By Richard F (LINCOLN, CA) Reviewed for a 2014 Dodge Ram —8/20/2014 8:22 PM

So, 2014 Rams, the dealer can only program stock tire sizes. Puttin 35s or bigger on your Cummins? GET THIS NOW! Your truck will drive 100% better. My speedo is accurate within 0.5 MPH @ 75 MPH...amazing.

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Superchips FlashCal Calibration Tool Reviews


GREAT Product...very easy to use.

Reviewed By Joshua R (STREAMWOOD, IL) Reviewed for a 2013 Jeep Wrangler —7/11/2014 5:02 AM

I have been running 33" tires instead of the stock 31" for the past year, and the shifting of the transmission was just not right in terms of shift points. I knew that with my plans to switch to 35" tires in the very near future would further amplify the issues with the shifting as well as traction control. So I bought this device to bring everything back within spec. It really did work well. I look forward to using it again next week when the 35's are mounted.

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Hypertech Speedometer Calibrator Reviews


Drano

Reviewed By Kerry D (WHITEFISH, MT) Reviewed for a 2006 Chevy Silverado —7/22/2014 5:11 AM

Very satisfied. The Hypertech Speedometer Calibrator arrived quickly and was very easy to use. The instructions were clear and walked me through the programming process smoothly. I tracked my speedometer accuracy with my GPS and before calibrating it it was off 15%, which meant I was traveling 69 mph when my speedometer dispayed 60 mph. After programming with the Hypertech, the speedometer is spot-on. I can also easily reprogram when I install my smaller diameter winter tires.

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