Reviewed By Joey A (West Bloomfield, MI) Reviewed for a 2006 GMC Sierra —3/25/2015 3:20 AM
I had the exact same model from amazon and it kept shutting down. Returned it and got it from auto anything and it works great.
Reviewed By Michael S (Neenah, WI) Reviewed for a 2006 GMC Sierra —6/30/2013 7:51 PM
At first I wasn't sure if it really was working cause I couldn't really see big changes but after about a month I noticed the mpg gains. The power increase was quite amazing too. I feel this is a great product and as they say" you get what you pay for ". Already thinking about upgrading to the IQ.
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