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Chevy Impala Hypertech Performance Chips & Programmers

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Latest Customer Reviews

Hypertech Max Energy Programmer Reviews

2003 impala ls

Reviewed By thomas p (whitehouse station, NJ) Reviewed for a 2003 Chevy Impala —11/22/2013 2:30 PM

My car runs the premium fuel programing with no knock on regular pump slight ping at part throttle 89 octane cures it all.Definitely more responsive, drivability improves, shift firmness better removes speed limiter as well mileage is harder to judge, it did not get worse I just haven't had a real chance to check precisely if you drive the car in the torque curve where it improves the engine performance it isbound to improve

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Hypertech Speedometer Calibrator Reviews

Good product, does what I needed it to

Reviewed By Kyle G (LEWISVILLE, TX) Reviewed for a 2016 Ford F-150 —9/12/2016 8:06 AM

As my title states, it's a good product and calibrated my speedo since I put 35's on. The only reason I give it 4/5 starts instead of 5/5 is because I had to put 33's in the programmer to calibrate my speedo correctly. When I put 35's and went for a drive, my speedo read 70mph when I was barely doing 60mph, what the heck? So I had to calibrate my truck about 4 times to get it dead on which was a bit annoying, but it eventually worked. Worth the $200 for me, I can't stand my speedo being off!

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