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Mercury Grand Marquis Jet Performance Chips & Programmers

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Latest Customer Reviews

Jet Performance Programmer Reviews


great product

Reviewed By Stephen B (Medway, MA) Reviewed for a 1999 Mercury Grand Marquis —8/17/2012 8:42 PM

A must have for your vehicle

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Jet Performance Module Reviews


Thumbs Up

Reviewed By James B (Port Neches, TX) Reviewed for a 2015 Dodge Ram —9/27/2017 5:27 AM

Overall, I see an increase in performance, specially midrange. Not so much off the line. Install was fairly simple. No increase on fuel mileage. I'm running an aFe Magnum cold air intake with Flowmaster exhaust and using 92 octane fuel. (Ram 1500 5.7)

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