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Hooker Headers 21002 - Hooker Headers Super Competition Sidemount Headers and Accessories

Hooker Headers 21002 - Hooker Headers Super Competition Sidemount Headers and Accessories

Hooker Headers#520-21002

4'' Sidetube Slip-In Mufflers
  • Small Block Reverse Flow

    Hooker Headers 21002 - Hooker Headers Super Competition Sidemount Headers and Accessories Details

    Slip-In Mufflers

  • Long Lasting
  • Easily Removed For Racing
  • Quieter Than Glasspack
  • High Level Of Sound Control
  • Will Not Restrict Engine Efficiency

  • Hooker Headers 21002 - Hooker Headers Super Competition Sidemount Headers and Accessories

    Manufactured using lightweight mandrel bent 18-gauge tubing, Super Competition Sidemount Headers offer the most aggressive style and performance for your 1963-82 Corvette! Testing on a 1968 Corvette with a 427 engine, Sidemount Headers, Side Pipe Tubes, and Maximum Flow Slip-In Mufflers produced an increase of 40 horsepower and 20 ft/lbs of torque (more than undercar exhaust with turbo mufflers).

    Features
  • Designed for optimal performance
  • Tuned-length primary tubes for maximum exhaust scavenging and velocity
  • Lightweight yet sturdy 18-gauge tubing mandrel bent for smooth exhaust flow
  • Long transition collector for decreased backpressure
  • 5/16'' machined flanges for a perfect seal
  • Industry's best welds for durability
  • Slip-fit side tubes for leak-free seal
  • All necessary hardware included for a complete installation
  • Replacement Hooker Mufflers available in a straight-through, glasspack or reverse-flow version
  • Available in five finishes to suit your needs (see listings below for product availability) -

    Black Painted(Part numbers do not have a suffix)

    Chrome (Special Part numbers do not have suffix)

    Metallic Ceramic Coating (Part numbers have a -1 suffix)

    Stainless Steel (Part numbers have a -3 suffix)

    Titanium Ceramic Coating (Part numbers have a -4 suffix)

    Note: All products sold in pairs

  • Hooker Headers 520-21002

    Inlet Size (in.)
    4
    Outlet Size (in.)
    4
    Body Height (in.)
    N/A
    Overall Length (in.)
    NA
    Shape
    Round
    Body Width (in.)
    N/A
    Body Length (in.)
    N/A
    Material
    N/A
    Position
    N/A
    Inlet Type
    OEM
    Outlet Type
    OEM
    Inlet Position
    OEM
    Outlet Position
    OEM
    Manufacturer's Part Number:
    21002HKR
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