Sat, June 30th, 2012, 04:28 PM
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Silver83
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Join Date: Jan 2011
Location: McMinnville, TN
Posts: 12
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Free flow dual exhaust, do I need another tune?
Thinking about replacing the stock exhaust. If I go with a freer flowing dual exhaust do I need to get my Gryphon retuned? I've got an '05 Expy EB 5.4L. Everything else is stock except for Gott's mod and K&N air filter.
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