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Mercury Grand Marquis Performance Chips & Programmers

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Latest Customer Reviews

Hypertech Max Energy Programmer Reviews


2010 grand marquis

Reviewed By john f (Stratford, CT) Reviewed for a 2010 Mercury Grand Marquis —12/14/2013 6:34 AM

Did download without any additional changes yet. Performance has increased. Also sounds better. Very easy to do.

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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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DiabloSport inTune i2 Tuner Reviews


Awesome Tuner

Reviewed By Gregory R (SPERRY, IA) Reviewed for a 2014 Chevy Silverado —12/7/2016 8:40 AM

The DiabloSport i2 tuner is easy to use with simply touch screen menus. Not a lot different than using a smart phone. A simple MPG tune improved my 2014 Silverado's highway MPG better than 10% with a 3.5 MPG increase and noticeably improved performance, idle, and shift feel. I look forward to trying some of the performance tunes in the future.

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