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as a new 2015 lfx owner i have heard many conflicting things.. iv'e always used 91 in mine for the last month since i have bought it then someone told me the motor is only tuned for 87 and putting 91 or higher in won't do anything unless you do a fuse pull with 91 in and let it set then the computer will change is this true ?
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Muffler/secondary cat delete , blacked out bowties, blacked tails and marker lights, graphite dipped wheels, drop in filter so far!
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