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Marietta Performance Chips

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Bullydog for Jeep JK

Reviewed By B M (Henrico, VA) Reviewed for a 2007 Jeep Wrangler —7/26/2016 5:52 AM

The Tuner is well made and instructions are very good. Only downsides are the it only has 4 maps for my Jeep JK, the head unit is small, and then menus are confusing. Overall it does what it says it does and I went from 14 MPG to 17.5 MPG. A pretty good bump for a Jeep. The tire size tool fixed my laggy speedo(-5MPH) back to the correct speed. Overall worth the money, but it needs a little more work like more maps and a little bigger screen.

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