Does anyone have the "GF Performance Chip" installed or had experience with with it? Can anyone give me feedback on it? Does it really work? Also, I have Superchips with advanced transmission tuning installed on my 2008 JK X, can the GF Performance Chip work together with Superchips or I have to uninstall Superchips tuning before installing the GF chip?
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GF Performance Chip FOR JK
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