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2005 Pontiac Grand Prix Power Programmers & Performance Tuners

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Latest Customer Reviews

Range Active Fuel Management Disable Device Reviews


Blue Light Special

Reviewed By James P (Coweta, OK) Reviewed for a 2007 Pontiac Grand Prix —3/23/2015 6:34 AM

Installed in a 2007 Pontiac Grand Prix GXP daily driver. I have driven for a little over two weeks, 750 miles and two tanks of gas. So far so good. The Range AFMDD performs as advertised. No more stuttering and stammering of the AFM and collapsing lifters. I don't usually drive the car on weekends. No noticeable battery discharge. Gas mileage has not changed much. Maybe 3/10ths of a mile per gallon. I expect the oil consumption to virtually stop as well. Time will tell.

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DiabloSport Predator P2 Tuner Reviews


The best bar none!

Reviewed By Jack A (Derby, KS) Reviewed for a 2006 Pontiac Grand Prix —12/18/2007 7:02 PM

This is our second tuner and take my advice, if you buy another your buying second place at best. Customer support is second to none! LOVE IT, LOVE IT, LOVE IT.

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DiabloSport inTune i3 Platinum Tuner Reviews


Major improvement!

Reviewed By Logan P (LAS VEGAS, NV) Reviewed for a 2014 Ford Mustang —12/9/2017 10:36 AM

It' was everything I was hoping for. Throttle response, horsepower, fuel accompany.... Just make sure if you go in for smog, set it back to stock a 100 miles or so

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