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Marietta Performance Chips

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Reviewed By Walter O (VICTORVILLE, CA) Reviewed for a 2011 Chevy Silverado —9/27/2016 7:20 PM

Well no booklet Kaymont describe the various functions of the system, such as stock, performance or towing. I shouldn't have to download and reprogram to switch from stock, performance and towing. Previous versions all you had to do, it was touch buttons to switch from stock, to performance to towing. So far unhappy

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

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Reviewed By Neil B (Carlos, MN) Reviewed for a 2010 Chevy Silverado —9/27/2016 3:43 AM

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