Covered many places on the forums, but this is probably the best thread to address this issue.
Interior vent debris
Skip to post #38 for the easiest fix.
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2003 Boxster S
| 987 Air Box | K&N Air Filter | 76mm Intake Pipe| 996 76mm TB | 997 Distribution T | Secondary Cat Delete Pipes | Borla Muffler | NHP 200 Cell Exhaust Headers |
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