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Marietta Performance Chips

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Latest Customer Reviews

Range Active Fuel Management Disable Device Reviews


Makes your truck run like it should

Reviewed By Paul H (POWELL, WY) —5/2/2015 6:14 PM

I wish I had thought of this device. As a 38 year veteran mechanic for GM, I am not a fan of active fuel management. It causes surging, oil consumption and ultimately, early required engine repair. My '09 GMC runs smooth and quiet with excellent throttle response. Towing now is effortless. I haven't tracked the fuel economy for very long but it seems to be better. I shall have to track on the next long trip. Tired of herky-jerky and droning at 45 mph? try this product, I'm sure you will like it

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Range Active Fuel Management Disable Device Reviews


No Brainer

Reviewed By Thomas P (ALLENWOOD, NJ) Reviewed for a 2009 GMC Sierra —5/2/2015 5:36 PM

Orders always arrive on time. The staff are very familiar with all of the products and do all they can to give you the best price, I use the chat function. I am finished buying accessories for my truck from anywhere else, and why should I? Best service and prices, plenty of reviews if your like me and rely heavily on them. As far as the product goes, read the reviews, there is always one or two who are never satisfied with something, especially when it arrives la

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Range Active Fuel Management Disable Device Reviews


Excellent item

Reviewed By Brian S (OKLAHOMA CITY, OK) —5/2/2015 11:51 AM

I was having trouble with the lifters on my 5.3 ltr 2008 Chevy suburban. They would occasionally get stuck, I was worried that I would need to get the heads and lifters replaced or maybe replace the engine. I waited until lifters were unstuck and installed the Range device. The Sivan is running better than ever. Much smoother and no more lifters getting stuck, I'm very happy, hoping to get lots more miles out of this suburban. I highly recommend this device.

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