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Hooker Headers

Hooker Blackheart Intermediate Pipes BH13257 Header Extensions, Pipes, 2.50 in. Diameter, 2-bolt Flange, Bung, RWD, Chevrolet, GMC, Small Block LS, Pair

SKU: HOKBH13257

Header Extensions
Hooker Blackheart Intermediate Pipes BH13257 Header Extensions, Pipes, 2.50 in. Diameter, 2-bolt Flange, Bung, RWD, Chevrolet, GMC, Small Block LS, Pair

Hooker Headers

Hooker Blackheart Intermediate Pipes BH13257 Header Extensions, Pipes, 2.50 in. Diameter, 2-bolt Flange, Bung, RWD, Chevrolet, GMC, Small Block LS, Pair

SKU: HOKBH13257

Header Extensions
A$827.61
Special Order. Contact for ETA. This item is out of stock in our warehouse and partner distribution centres. In some cases, this may be due to not having live inventory feeds available for all suppliers. Please contact us before ordering if you need to meet a specific deadline.
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Description

Blackheart intermediate pipes are strong, lightweight stainless steel, and mandrel-bent where applicable. They're available in a variety of sizes and configurations with quality welds to ensure strength, longevity, and good looks. These pipes help provide vehicles with maximum exhaust velocity, ground clearance, style, and high performance! Order the Hooker Blackheart intermediate pipes tailored for fitment on your vehicle.

Part Type

Header Extensions

Data: v4.2 - Upd: 2026-09-30 00:57:59

Specifications

Product Attributes - Brand
Hooker Headers
Product Attributes - Manufacturer's Part Number
BH13257
Product Attributes - Part Type
Header Extensions
Product Attributes - Product Line
Hooker Blackheart Intermediate Pipes
Product Attributes - UPC
090127104507
Product Attributes - Collector Diameter (in.)
2.50
Product Attributes - Pipe Diameter (in.)
2.500 in.
Product Attributes - Collector Attachment
2-bolt flange
Product Attributes - Oxygen Sensor Bung Included
Yes
Product Attributes - Turnout
No
Product Attributes - Quantity
Sold as a pair.
Product Attributes - Notes
Fits RWD models.

Reference Information

Brand Name/s Hooker Headers
StreetFX SKU hokBH13257
SFX Item ID 5013354
Supplier Item Code 5013354
Manufacturer SKU BH13257
Manufacturer UPC 90127104507
Alternative References HKRBH13257, 2-bolt

Compatibility

Application Data
  • MakeGMC
    ModelR1500
    Beginning Year1975
    Ending Year1978
    Engine TypeV8
    Engine Size6.0L/364
    Engine FamilyChevy small block Gen III/IV (LS-based engines)
    Application NotesFits RWD models.
  • MakeGMC
    ModelR1500
    Beginning Year1975
    Ending Year1978
    Engine TypeV8
    Engine Size6.2L/376
    Engine FamilyChevy small block Gen III/IV (LS-based engines)
    Application NotesFits RWD models.
  • MakeGMC
    ModelR1500
    Beginning Year1975
    Ending Year1978
    Engine TypeV8
    Engine Size7.0L/427
    Engine FamilyChevy small block Gen III/IV (LS-based engines)
    Application NotesFits RWD models.
  • MakeGMC
    ModelR2500
    Beginning Year1975
    Ending Year1988
    Engine TypeV8
    Engine Size4.8L/294
    Engine FamilyChevy small block Gen III/IV (LS-based engines)
    Application NotesFits RWD models.
  • MakeGMC
    ModelR2500
    Beginning Year1979
    Ending Year1988
    Engine TypeV8
    Engine Size5.3L/325
    Engine FamilyChevy small block Gen III/IV (LS-based engines)
    Application NotesFits RWD models.
  • MakeGMC
    ModelR2500
    Beginning Year1979
    Ending Year1988
    Engine TypeV8
    Engine Size5.7L/350
    Engine FamilyChevy small block Gen III/IV (LS-based engines)
    Application NotesFits RWD models.
  • MakeGMC
    ModelR2500
    Beginning Year1979
    Ending Year1988
    Engine TypeV8
    Engine Size6.0L/364
    Engine FamilyChevy small block Gen III/IV (LS-based engines)
    Application NotesFits RWD models.
  • MakeGMC
    ModelR2500
    Beginning Year1979
    Ending Year1988
    Engine TypeV8
    Engine Size6.2L/376
    Engine FamilyChevy small block Gen III/IV (LS-based engines)
    Application NotesFits RWD models.
  • MakeGMC
    ModelR2500
    Beginning Year1979
    Ending Year1988
    Engine TypeV8
    Engine Size7.0L/427
    Engine FamilyChevy small block Gen III/IV (LS-based engines)
    Application NotesFits RWD models.
  • MakeGMC
    ModelC2500
    Beginning Year1979
    Ending Year1987
    Engine TypeV8
    Engine Size7.0L/427
    Engine FamilyChevy small block Gen III/IV (LS-based engines)
    Application NotesFits RWD models.
  • MakeGMC
    ModelC25
    Beginning Year1987
    Ending Year1978
    Engine TypeV8
    Engine Size4.8L/294
    Engine FamilyChevy small block Gen III/IV (LS-based engines)
    Application NotesFits RWD models.
  • MakeGMC
    ModelC25
    Beginning Year1979
    Ending Year1978
    Engine TypeV8
    Engine Size5.3L/325
    Engine FamilyChevy small block Gen III/IV (LS-based engines)
    Application NotesFits RWD models.
  • MakeGMC
    ModelC25
    Beginning Year1979
    Ending Year1978
    Engine TypeV8
    Engine Size5.7L/350
    Engine FamilyChevy small block Gen III/IV (LS-based engines)
    Application NotesFits RWD models.
  • MakeGMC
    ModelC25
    Beginning Year1979
    Ending Year1978
    Engine TypeV8
    Engine Size6.0L/364
    Engine FamilyChevy small block Gen III/IV (LS-based engines)
    Application NotesFits RWD models.
  • MakeGMC
    ModelC25
    Beginning Year1979
    Ending Year1978
    Engine TypeV8
    Engine Size6.2L/376
    Engine FamilyChevy small block Gen III/IV (LS-based engines)
    Application NotesFits RWD models.
  • MakeGMC
    ModelC25
    Beginning Year1979
    Ending Year1978
    Engine TypeV8
    Engine Size7.0L/427
    Engine FamilyChevy small block Gen III/IV (LS-based engines)
    Application NotesFits RWD models.
  • MakeGMC
    ModelJIMMY
    Beginning Year1979
    Ending Year1987
    Engine TypeV8
    Engine Size4.8L/294
    Engine FamilyChevy small block Gen III/IV (LS-based engines)
    Application NotesFits RWD models.
  • MakeGMC
    ModelJIMMY
    Beginning Year1975
    Ending Year1987
    Engine TypeV8
    Engine Size5.3L/325
    Engine FamilyChevy small block Gen III/IV (LS-based engines)
    Application NotesFits RWD models.
  • MakeGMC
    ModelJIMMY
    Beginning Year1975
    Ending Year1987
    Engine TypeV8
    Engine Size5.7L/350
    Engine FamilyChevy small block Gen III/IV (LS-based engines)
    Application NotesFits RWD models.
  • MakeGMC
    ModelJIMMY
    Beginning Year1975
    Ending Year1987
    Engine TypeV8
    Engine Size6.0L/364
    Engine FamilyChevy small block Gen III/IV (LS-based engines)
    Application NotesFits RWD models.
  • MakeGMC
    ModelJIMMY
    Beginning Year1975
    Ending Year1987
    Engine TypeV8
    Engine Size6.2L/376
    Engine FamilyChevy small block Gen III/IV (LS-based engines)
    Application NotesFits RWD models.
  • MakeGMC
    ModelJIMMY
    Beginning Year1975
    Ending Year1987
    Engine TypeV8
    Engine Size7.0L/427
    Engine FamilyChevy small block Gen III/IV (LS-based engines)
    Application NotesFits RWD models.
  • MakeGMC
    ModelR1500
    Beginning Year1987
    Ending Year1987
    Engine TypeV8
    Engine Size4.8L/294
    Engine FamilyChevy small block Gen III/IV (LS-based engines)
    Application NotesFits RWD models.
  • MakeGMC
    ModelR1500
    Beginning Year1987
    Ending Year1987
    Engine TypeV8
    Engine Size5.3L/325
    Engine FamilyChevy small block Gen III/IV (LS-based engines)
    Application NotesFits RWD models.
  • MakeGMC
    ModelR1500
    Beginning Year1975
    Ending Year1978
    Engine TypeV8
    Engine Size5.7L/350
    Engine FamilyChevy small block Gen III/IV (LS-based engines)
    Application NotesFits RWD models.

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