Thread: How do I acquirer a 550 Special Edition Tune?
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Old 05-01-2015, 08:39 AM   #5
geetee
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Join Date: Nov 2009
Location: PA
Posts: 170
sorry can't help you with the factory 550 tune but the only tuner that I know of that actually have a tune "off the shelf" with your specs would be softronic
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