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Chevy Impala Performance Chips & Programmers

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Latest Customer Reviews

Jet Performance Module Reviews


works great instantly saw improvement

Reviewed By justin a (BALTIMORE, MD) Reviewed for a 2008 Chevy Impala —8/14/2014 1:31 AM

Amazing product worked instantly an could see results right away an very easy to install great job

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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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DiabloSport inTune I-1000 Tuner Reviews


my review of diablo itune

Reviewed By kenneth c (EAST BOSTON, MA) Reviewed for a 2009 Chevy Impala —6/3/2013 11:10 PM

I was most impressed by how fast it tunes your vehicle and goes back to stock in a matter of 4 minutes I mainly purchased it to eliminate my DOD it works I used the 91 octane tune and removed my speed limiter I tried both firm and hard shift mode which makes a big difference but I use normal shift because there are stories about my transmissions reliability my gas mileage is crappy with or without DOD it always says avg milage is 18.9

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