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2004 Chevy Trailblazer Performance Chips & Programmers

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Latest Customer Reviews

Jet Performance Module Reviews

Excellent Throttle Response & Nice Little Boost in Power

Reviewed By Clinton J (Mascotte, FL) Reviewed for a 2004 Chevy Trailblazer —5/27/2017 12:54 PM

Super easy to install by simply plugging into the ECU. I've taken it for a test drive and noticed a nice little boost in power, but what I really noticed is the delayed throttle response is cut in half! It will clear the check engine light, but I caution you do NOT think that everything is "ok". It doesn't increase gas mileage and I am ok with that. Definitely a must have if you don't intend to do much to the engine.

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Jet Performance Programmer Reviews


Reviewed By Linda R (Titus, AL) Reviewed for a 2008 Chevy Trailblazer —10/19/2017 4:11 PM

Jet seems to be the only programmer that works for the 4.2 chevy inline 6. No problem with the installation and I noticed an instant increase in the low end power. this is where the 4.2 really sucks. Don't know why they did not use the 4.3.

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Range Active Fuel Management Disable Device Reviews


Reviewed By Fred B (Moore Haven, FL) Reviewed for a 2008 Chevy Trailblazer —9/4/2016 9:47 PM

Before range tech using quart oil 700 miles now zero. I am very pleased. Rate it a 10 plus. All ready told people about it.

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