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GMC Suburban Power Programmers & Performance Tuners

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Latest Customer Reviews

Superchips Flashpaq Tuner Reviews


Easy install and start up

Reviewed By Darrel H (PASO ROBLES, CA) Reviewed for a 1999 GMC Suburban —8/22/2014 5:45 AM

It was as advertised. Easy to hook up and so far works perfect. I was able to do a milage tune , then a performance tune and could feel the difference. Also cleared an engine code. Excellent piece of equipment.

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Hypertech Max Energy Programmer Reviews


Pleased

Reviewed By Stan R (Channelview, TX) Reviewed for a 1996 GMC Suburban —1/23/2012 5:57 AM

Plugged it in and it did the tuning. Noticed change in power and mpg immediately.

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DiabloSport inTune I-1000 Tuner Reviews


Worth it for towing

Reviewed By Michael Z (Wolcott, CT) Reviewed for a 2011 Chevy Silverado —4/9/2015 6:04 AM

I saw the reviews for the I-1000 and decided to give it a try. I saw a small difference in the 87 tune so I decided to try the 93 (Diablo tune). That made a big difference. I'm now able to climb hills in 5th where the truck used to downshift to 4th to climb the same hills. And by climbing I mean actually accelerating in 5th while climbing those hills. have also seen a 2 mpg increase. I'm going to have a personal tune done as soon as I can come up with the cash. Well worth the investment..

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