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  9. Super Competition Sidetube Muffler
21021hkr.jpg

Super Competition Sidetube Muffler

Product Information

  • Brand Name
    Hooker (Holley)
  • Part Number
    21021HKR
  • APIN
    AQL4AUu4
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    Description

    For 4 in. side tube sound control, Hooker builds long lasting slip-in mufflers. These mufflers are easily removed for racing purposes and are available in a performance style glass pack or our quieter all metal reverse flow style for small and big block applications. Hooker mufflers produce a high level of sound control without restricting engine efficiency. Sold in pairs.

    Item Specifications

    • Installation InstructionsDownload 1
    • Shape:Round
    • Material:Stainless Steel
    • Outlet Type:OEM
    • Inlet Type:OEM
    • Body Height:N\/A
    • Body Length:N\/A
    • Body Width:N\/A
    • Inlet Connection Type:Pipe
    • Inlet Inside Diameter:4.00 in.
    • Inlet Outside Diameter:4.00 in.
    • Inlet Position:OEM
    • Inlet Size:4.00 in.
    • Main Piping Diameter:4.00 in.
    • Muffler Count:2.00
    • Muffler Type:Side-Tube Slip-In
    • Outlet Outside Diameter:4.00 in.
    • Outlet Position:OEM
    • Outlet Size:4.00 in.
    • Overall Length:N\/A
    • Part Number:21021HKR
    • Country Of Manufacture:Mexico
    • UPC:700414030005
    • Weight:17.95
    • Brand:Hooker (Holley)
    • Features:Long Lasting Easily Removed For Racing Quieter Than Glasspack High Level Of Sound Control Will Not Restrict Engine Efficiency
    • California Proposition 65 Warning:WARNING: Cancer and Reproductive Harm - https://www.p65warnings.ca.gov/
    Important Notes : Super Competition Sidetube Muffler\n Slip-In\n Sold In Pairs\n 4 in.\n Glasspack

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