Thread: Sport exhaust vs. "regular"???
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Old 05-11-2006, 09:47 AM
Dr. T Dr. T is offline
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FWIK, there's a baffle that opens after 3.5k in all `06? X3's to effect an open/free-flowing exhaust ie. reduce back-pressure. In the 'sport exhaust', this baffle is left open full-time.
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