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2009 Jeep Grand Cherokee Performance Chips & Programmers

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Latest Customer Reviews

Hypertech Max Energy Programmer Reviews


This thing unleashed the beast

Reviewed By Dan D (PLAINVILLE, CT) Reviewed for a 2009 Jeep Grand Cherokee —7/25/2016 8:18 PM

Huge difference in my 4.7 Grand cherokee...woke it up! this thing runs and gained 2 mpg in fuel economy. Only reason I rated ease of installation low was because I haD TO WASTE 15 mins updating it on my pc. for the amount of money I paid it should be pre updated. and its a bit pricey.

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DiabloSport inTune i2 Tuner Reviews


Nice addition to 6.4 SRT8 Jeep

Reviewed By James F (BINGHAMTON, NY) Reviewed for a 2012 Jeep Grand Cherokee —5/10/2017 8:43 PM

Awesome little power pack! Very user friendly and easy to do. Not just more power at WOT but tighter shifts and better with just moderate throttle increases. Clears the annoying back pressure codes that come up with an after market exhaust. Noticeable difference for not much out of pocket and nice addition to intake and exhaust upgrades on this 6.4 SRT8 Jeep.

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Jet Performance Module Reviews


High hopes

Reviewed By Will B (HUBBARD, OR) Reviewed for a 2011 Jeep Grand Cherokee —2/7/2016 5:57 PM

Read that works best if used with premium fuel, have ran premium in it the whole time I've owned my jeep. It does actually work as advertised. More power across entire RPM range, has increased my mpg by only 2 though nut still an improvement.

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