EPA Ultra Direct Fit Converter
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Walker EPA Ultra Direct Fit Converter

Part No. 54399 Warranty Details  
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Disclaimer: This product is not authorized to be shipped/picked-up CA.

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Walker® an industry leader for import and domestic applications, offers Walker® Ultra® Direct Fit Catalytic Converters designed for OBDII (1996 and newer) vehicles. They are engineered for specific vehicle emissions requirements, and feature a high load of precious metals, optimal substrate content, and a high technology washcoat to provide premium performance, and durability to comply with EPA emissions requirements.

Product Features:
  • Designed for use on OBDII (1996 and newer) vehicles
  • Flange to flange, direct fit design bolts to existing exhaust
  • High precious metal load and high technology washcoat for premium performance
  • Stainless steel body with aluminized pipe and heat shields for durability
  • Thick OE-style flanges, hangers and brackets for enhanced strength
  • OE-style routing and hanger position for easy installation
  • 25,000-mi catalytic performance & 5-year/50,000-mi structural integrity warranty
  • Meets EPA emissions requirements
  • Not legal for sale in California
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Body Length:13.000 in
Body Shape:Round
Body Width:4.250 in
Case Material:Stainless Steel
Height:4.250 in
Inlet Attachment Type:2 Bolt Welded Flanges
Inlet Quantity:1
Outlet Attachment Type:3 Bolt Welded Flange
Outlet Quantity:1
Overall Length:40.000 in
Substrate Material:Ceramic

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Ask a question, get answers from real customers and in-house experts. For further assistance, please review your support options on our Contact Us page.

3 Questions | 3 Answers
Displaying questions 1-3
  • Q:

    does this have a bung for o2 sensor?
    Asked on 9/8/2012 by shoe

    1 answer



      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.

      Answered on 9/9/2012 by John the Car-Doc from AAP
  • Q:

    2001 Civic EX w/ 170k miles. Does this product come with the bolts because I will probably replace those also?
    Asked on 8/30/2010 by Anonymous

    1 answer



      No, it does not come with the bolts. They will have to be purchased seperately.

      Answered on 8/30/2010 by Mike from AAP
  • Q:

    Please provide the degree of difficulty in doing an installation of this. How many years will this cat last for?
    Asked on 8/27/2010 by Anonymous

    1 answer



      Please provide more vehicle info for further assistance.

      Answered on 8/27/2010 by michael from aap
Displaying questions 1-3

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