Thread: Denver shop for downpipe/x-pipe install and dyno tuning of JB4
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      01-21-2018, 11:00 PM   #4
DaytonavioletAndrew
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Drives: F80 Daytona violet m3
Join Date: Jan 2017
Location: CO

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Ditch the jb4 and get an ecu flash, it's the way to go!
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