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Hummer H1 Performance Monitors

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Reviewed By kenneth h (rudy, AR) Reviewed for a 2009 Chevy Silverado —9/27/2016 7:09 PM

I have never had a tuner before and this was so easy after reading the forum several times. It tuned the Silverado with much better performance. I haven't drove it much yet but it has improved gas mileage by 1 mpg and much better performance and was so easy to install. Thank you

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Reviewed By Doug D (MILAN, MI) Reviewed for a 2012 Dodge Challenger —9/14/2016 1:26 AM

Great tuner for a quick canned tune hp boost. I also love the data monitoring, logging, and code reading functions. All around great product, and as everyone says, "it is the best bang for your buck."

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Reviewed By Robert F (LAKE HAVASU CITY, AZ) Reviewed for a 2014 Toyota Tacoma —4/29/2016 7:29 AM

Need to come up with a better way to mount the unit. Overall it works great.

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