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2003 Chevy Impala 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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JET V-FORCE PLUS POWER CONTROL MODULE

Reviewed By Terrell S (Jacksonville, NC) Reviewed for a 2009 Chevy Impala —8/12/2012 11:31 AM

Overall was a good buy. I didnt know that the tuning was pre programmed until I got it installed, which took forever because the manufacture directions were wrong. I have noticed an increase in power and proformance, and I have notice my gas tank last about 3 days longer. Im dont think its the chip doing it though. The display shows me how much gas percentage wise Im using, so its making me drive smarter.

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It works like it should

Reviewed By Brandon B (GUTHRIE, OK) Reviewed for a 1999 Chevy Tahoe —11/29/2014 8:00 AM

It's works as advertised. Kind of expensive for what it does but , it's cheaper than having a shop do it wrong.

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