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|Case Material:||Stainless Steel|
|Inlet Attachment Type:||2 Bolt Welded Flanges|
|Outlet Attachment Type:||3 Bolt Welded Flange|
|Overall Length:||40.000 in|
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Q:does this have a bung for o2 sensor?
A:Yes, the Walker Catalytic Converter - ULTRA Direct Fit (Part No. 54399) comes with an O2 sensor bung. For any further assistance please feel free to call us at: 1-877-238-2623 or visit the nearest Advance Auto store and one of our representatives will gladly assist you with any questions or concerns you may have.
Q:2001 Civic EX w/ 170k miles. Does this product come with the bolts because I will probably replace those also?
A:No, it does not come with the bolts. They will have to be purchased seperately.
Q:Please provide the degree of difficulty in doing an installation of this. How many years will this cat last for?
A:Please provide more vehicle info for further assistance.