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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


1990 F250 Chris

Reviewed By Christopher W (PEWAUKEE, WI) Reviewed for a 1990 Ford F-250 —6/18/2015 1:08 PM

Hard to understand from instructions how to install or get to how to remove ECU. getting about 1.5-2 mi per gallon more on a 460 motor. Customer service was always there to help-

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