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Hooker Headers 21021 - Hooker Headers Universal Sidemounts



Hooker Headers 21021 - Hooker Headers Universal Sidemounts

JEGS Part Number: 520-21021

4'' Sidetube Slip-In Mufflers
  • Glasspack
  • $194.95
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    Hooker Headers 21021 - Hooker Headers Universal Sidemounts Details

    Slip-In Mufflers

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

  • Specifications:

    Diameter (in.)
    4
    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
    Exhaust Insert Material
    Stainless steel
    Exhaust Insert Style
    Louvered core
    Quantity
    Sold as a pair
    Manufacturer's Part Number:
    21021HKR

    Chrome-plated for show-quality looks, these sidemounts have mandrel bent 2.125" inlet and 4" outlet 16-gauge sidepipes that reduce backpressure for improved low-end torque, performance, and fuel economy. Their traditional 4-into-1 design gives the appearance of full fenderwell exit headers that flow into sidepipes with slip-in mufflers (mufflers sold separately).

    Features
  • Chrome-Plated 16-Gauge Sidepipes Reduce Backpressure
  • Improved Low-End Torque for Better Performance and Fuel Economy
  • Classic 4-into-1 Collectors (three are dummy tubes)
  • Slip-In Mufflers Available: Reverse Flow (quieter), Glasspack (performance), or Straight-Through (maximum flow)
  • Mufflers Can Be Easily Removed for Racing

  • Does this fit your vehicle?

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    1966-1971 CHEVROLET CORVETTE

    • EngineType: ALL
    • SubModel: ALL

    1972 CHEVROLET CORVETTE

    • CC: 5737
    • Liter: 5.7
    • SubModel: BASE
    • EngineType: V8

    1972 CHEVROLET CORVETTE

    • Liter: 5.7
    • Aspiration: N
    • SubModel: BASE
    • Engine Vin: L
    • CUI: 350
    • EngineType: V8

    1976 CHEVROLET CORVETTE

    • Liter: 5.7
    • Aspiration: N
    • SubModel: STINGRAY
    • Engine Vin: L
    • CUI: 350
    • EngineType: V8

    1978-1982 CHEVROLET CORVETTE

    • EngineType: ALL
    • SubModel: ALL

    1974 CHEVROLET CORVETTE

    • CC: 5737
    • Liter: 5.7
    • SubModel: BASE
    • EngineType: V8

    1977 CHEVROLET CORVETTE

    • Liter: 5.7
    • Aspiration: N
    • SubModel: BASE
    • Engine Vin: L
    • CUI: 350
    • EngineType: V8

    1975 CHEVROLET CORVETTE

    • Liter: 5.7
    • Aspiration: N
    • SubModel: STINGRAY
    • Engine Vin: T
    • CUI: 350
    • EngineType: V8

    1974 CHEVROLET CORVETTE

    • CC: 5736
    • Liter: 5.7
    • Aspiration: N
    • SubModel: BASE
    • Engine Vin: T
    • CUI: 350
    • EngineType: V8

    1963-1965 CHEVROLET CORVETTE

    • EngineType: ALL
    • SubModel: BASE

    1972-1974 CHEVROLET CORVETTE

    • Liter: 7.4
    • EngineType: V8
    • SubModel: BASE

    1972 CHEVROLET CORVETTE

    • CC: 5736
    • Liter: 5.7
    • Aspiration: N
    • SubModel: BASE
    • Engine Vin: L
    • CUI: 350
    • EngineType: V8

    1974 CHEVROLET CORVETTE

    • Liter: 5.7
    • Aspiration: N
    • SubModel: BASE
    • Engine Vin: T
    • CUI: 350
    • EngineType: V8
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