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Buick Rainier Power Programmers & Performance Tuners

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Pretty good!

Reviewed By Jeremy V (DALHART, TX) Reviewed for a 2006 Chevy Silverado —1/13/2018 2:37 AM

So far it has worked on the settings I've chosen but still have yet to try other settings...update later on!!

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I was having problems with fluttering in 4cyl mode it fixed it.still checking oil usaged so far so good

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I was very pleased with the speed of delivery and the packaging of this product was very well cushioned work excellent as it should I would for sure buy another on from auto anything

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