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2009 GMC Sierra Performance Chips & Programmers

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Latest Customer Reviews

Range Active Fuel Management Disable Device Reviews

Works as advertised

Reviewed By Clayton U (HUNTSVILLE, AL) Reviewed for a 2009 GMC Sierra —5/18/2016 6:29 AM

Works as listed. Easy to plug into service port. Engine seems to run smoother especially when shifting at slow speeds. Have not noticed any appreciable difference in MPG. Also have not noticed any battery drain by leaving it plugged in.

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

Bullydog tuner

Reviewed By Stephan T (SAINT AUGUSTINE, FL) Reviewed for a 2009 GMC Sierra —3/23/2016 7:04 AM

What can I say; love this thing. Already had single in dual out magnaflow exhaust. Bought the tuner along with a cold air intake and it's like driving a differant truck. Installation is a little time consuming, but follow directions closely and it's not that bad. Shipping was fast as well.

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Hypertech Max Energy Programmer Reviews

good value good quality

Reviewed By Mohammed A (Springfield Gardens, NY) Reviewed for a 2009 GMC Sierra —11/24/2013 1:17 PM

I get good results after tunning with premium fuel programme for my truck gmc sierra denali 6.2 2009 , I get more performance more acceleration and I sevd 4 liter of gas ever 100 km , I'm so happy with this product .

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