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|Outlet Inside Diameter:||4 in|
|Overall Length:||44.5 in|
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Q:what size diamiter is this pipe?
A:The diameter of the Walker Extension Pipe - (Part No. 44558) is 4 inches. For any further assistance please feel free to call us at: 1-877-238-2623 or visit the nearest Advance Auto Parts store and one of our Parts Pros will gladly assist you with any questions or concerns you may have.