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Old 08-08-2017, 06:06 AM   #14
Quadcammer
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Join Date: Dec 2016
Location: Clifton, NJ
Posts: 1,135
well, the 2.5 tube is bigger, so one might think you'd get slightly better airflow, especially when combined with the 74mm throttle body. I don't think it will have a measurable impact on power one way or another.
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