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1999 Chevy Astro Performance Chips & Programmers

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Latest Customer Reviews

Jet Performance Module Reviews


No major problems with it

Reviewed By William K (Chicago, IL) Reviewed for a 2003 Chevy Astro —11/23/2011 6:11 AM

Instruction manual was incomplete; did not have my Astro van listed. Called help number and they helped me. Can't really feel any difference in performance. Haven't checked gas mileage yet.

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Hypertech Max Energy Programmer Reviews


JUST WHAT MY CHEVY NEEDED

Reviewed By karlis k (VAN DYNE, WI) Reviewed for a 2015 Chevy Silverado —3/23/2017 4:00 AM

I WANTED TO GET RID OF THE ANNOYING ACTIVE FUEL MANAGEMENT AND IT DID THAT FOR ME.HAD IT INSTALLED FOR A COUPLE WEEKS AND THE FUEL MILEAGE IS ALREADY UP OVER ONE MILE PER GALLON AND WITH NO MORE 4 CYLINDER CUT OUT.THE EXTRA POWER IS NOT REALLY NOTICEABLE BUT IT DOES SEEM BETTER.SHIPPING WAS AMAZING.ONE DAY FROM CALIFORNIA TO WISCONSIN.IF YOU WANT YOUR CHEVY TO RUN LIKE A CHEVY YOU NEED TO GET THIS.THANKS

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Jet Performance Programmer Reviews


Worth every penny!

Reviewed By Brian M (Nashville, TN) Reviewed for a 2013 Chevy Impala —3/18/2017 11:30 AM

I love it! It makes my impala preform like I expect it to and more. I installed it the same day as a drop in K&N filter and my car sounds awesome. I deffinetly recommend this to anyone. It made my car fun to drive again. Not sure yet on any mpg +/- because I can't keep my foot off the pedal. I was worried about passing an emissions test but it passed no problem. Biy this, you won't regret it!

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