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GMC Envoy Jet Performance Chips & Programmers

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Latest Customer Reviews

Jet Performance Module Reviews

seems to do the job

Reviewed By jeff l (POTTSTOWN, PA) Reviewed for a 2003 GMC Envoy —8/22/2013 10:56 AM

I purchased this for my 2003 Envoy XL 4.2L V6 for towing mostly. I also have a K+N cold air intake. My wife and I have noticed a difference in shifting gears, lower RPM's in regular driving and towing, more power where it needs to be, but have not seen a drastic change in fuel economy. Have only had it installed now for 3 weeks. I would certainly recommend this to anyone.

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Jet Performance Programmer Reviews

good value

Reviewed By Bob L (Lewiston, ID) Reviewed for a 2000 Ford F-150 —9/9/2015 8:51 PM

I had used the chip prior, added the programmer and it woke the truck up, quicker, more torque. The chip steadied the PCM at a higher performance level allowing the programmer to boost the output to a higher level than just the chip or programmer alone. Purchased each from AutoAnything and had great experience receiving the items quick, exactly what ordered. Would purchase Jet products again. Tried EDGE and had to keep adjusting the settings to stay in tune where JET has remained in tune.

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