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Q:what is the diameter of the 66-0901 K&N X-Stream Filter? it must be 9" inch or in will not fit inside the turkey pan I have on my 427 Cobra. if it is not what is the correct part Number?
A:The K&N X-Stream Filter Top (Part No. 66-0901) is 9 inches in diameter. For further assistance regarding the Part No. 66-0901, please provide the year, make, model and engine size of your vehicle. For more information, 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.