Bolt-On Collector Extension
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Hooker Headers Bolt-On Collector Extension

Part No. 11230HKR Warranty Details  

Fit of this part varies by vehicle & equipment specs Type of Fit

Designed for use with 3-bolt collector rings, these 18 inch long extensions enable the racer to adjust his torque curve to suit track conditions. The kit contains two extensions, matched gaskets, and six nuts and bolts.

Product Features:
  • For Headers w/No Collector Rings
  • Hydraulic Swaging Process
  • All Required Nuts And Bolts
  • Easy Installation
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Do you have questions about this product?

 

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.

2 Questions | 2 Answers
Displaying questions 1-2
  • Q:

    What is outside dimentions of pipe extension?

    What is measurement center to center on bolt pattern of bolt flange?
    Asked on 6/25/2016 by Kyle from Urbandale, IA

    1 answer

    • CUSTOMER CARE

      A:

      Hi Kyle, I'm glad to assist you! The outside diameter of this extension is 3"-inch. The bolt pattern of the flange would be 3.5"-inch.

      Answered on 6/30/2016 by Solomon from AAP
  • Q:

    what is the bolt center dimension ?
    Asked on 11/17/2012 by James from United States

    1 answer

    • CUSTOMER CARE

      A:

      The specification of this part Hooker Exhaust Bolt-On Collector Extension, Part No. 11230HKR are: collector diameter: 3.000 inches, pipe diameter: 3.000 inches, collector attachment: 3-bolt flange, header extension length: 18 inches. The kit contains two extensions, matched gaskets, and six nuts and bolts.
      For any further assistance, please feel free to call us at 1-877-238-2623 or visit your nearest Advance Auto Parts store and our representatives would be more than happy to assist you.

      Answered on 11/19/2012 by Aaron from AAP
Displaying questions 1-2

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