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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


Noticeable economy improvement

Reviewed By Travis D (Nashville, TN) Reviewed for a 2008 Chrysler PT Cruiser —7/12/2015 7:40 AM

I installed the stage 2 performance module after installing: Airaid intake Jet throttle body spacer Mishimoto 158 degree thermostat Msd ignition w/ vms 10mm wires JBA cat4ward headers & dei titanium wraps The module has really made everything play nice together, and I'm seeing about 30% increase in fuel economy! Well done, Jet! The only reason I gave 4 stars on installation is that you have to remove the air intake and power steering fluid reservoir to get the module to fit.

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