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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


Jet Performance Module Stage 2

Reviewed By marcus g (Edwardsville, IL) Reviewed for a 2007 Chevy Avalanche —2/18/2017 5:27 PM

This performance module was key to all of my MODs performing as they should. The throttle response is crisp and when pulling through the RPMs and it feels strong. The shift points are higher feels much more performance oriented. My MODs include, Jet Performance Module stage 2, Jet Performance throttle body, full cold air intake, MSD coils, 8.5mm plug wires, shorty headers, throttle body spacer, high flow cats and exhaust. I do run 91+ octane and Royal Purple oil. 5 Stars!

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