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JFairman JFairman is offline
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Join Date: Jul 2006
Location: S. Florida
Posts: 7,289
Is it one loud pow in your muffler right after lifting after some boost? Just guessing and without experiencing it is a stretch but it maybe it's unburned gas and water/methanol thats collected in the muffler exploding. With CIS some injection continues during deceleration.
Old 06-18-2012, 06:18 AM
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