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2009 GMC Sierra Performance Chips & Programmers

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Latest Customer Reviews

DiabloSport inTune I-1000 Tuner Reviews

Great seller

Reviewed By nicholas w (Lancaster, SC) Reviewed for a 2009 GMC Sierra —1/20/2015 1:46 AM

Great product

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Bully Dog Triple Dog GT Tuner (49-State Legal) Reviews

Nice Tuner

Reviewed By Aaron L (McAllen, TX) Reviewed for a 2009 GMC Sierra —5/16/2014 8:40 AM

This is a nice tuner. I put it in my 09 GMC Sierra 1500 5.3L V8 and I am satisfied. I did have to run the power wire through the firewall of the truck but besides that the installation went well. I did notice a stronger acceleration and better fuel mileage. I used to get 12.5 mpg before and now it is telling me that I am getting 15.5 mpg so that was a nice increase. Now I just need a high flow air intake system and I should get the mpg back where I want. I hope this helps you all and God Bless.

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Range Active Fuel Management Disable Device Reviews

Best active fuel management disable device !!!

Reviewed By Anthony H (Locust Fork, AL) Reviewed for a 2009 GMC Sierra —1/12/2014 9:15 PM

I ordered this about 3 to 4 months ago and could not be happier with this purchase! Anyone looking to disable the AFM on gm trucks, with no alteration to computer, this is it. This is a true plug and play device, plug in, get 8 cylinders constant, unplug, go back to AFM, no worries. I will warn though, you will lose a little on your gas mileage, but for me it was well worth it, no more Active Fuel BS!!!

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