1975 GMC G25 Headers

73 products fit your

1975 GMC G25

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1975 GMC G25

Products

C4 Corvette LS Swap Long Tube Headers for LS1, 5.3, 6.0, LS3

Speedway Motors |

#916C4003

C4 Corvette LS Swap Long Tube Headers for LS1, 5.3, 6.0, LS3

(5)

Header Tube Type:

Full-Length

Primary Tube Diameter:

1-3/4"

Material Type:

Steel

$387.99

/kit

Hedman Hedders |

#41869067

Hedman Hedders 69067 71-91 Chevy Van Headers, Uncoated

Header Tube Type:

Long Tube

Exhaust Port Shape:

Round

Flange Style:

Standard

$423.23

/set

Hedman Hedders |

#41866067

Hedman Hedders 66067 71-91 Chevy Van Headers, HTC

Header Tube Type:

Long Tube

Exhaust Port Shape:

Round

Flange Style:

Standard

$619.99

/set

-5%

Hooker Headers |

#42518510

Hooker Headers Blackheart LS Turbo Manifold Kits

Header Tube Type:

Turbo

Material Type:

Stainless Steel

Hardware Included:

Yes

$849.95

/pair

$899.95

-7%

Hooker 2301HKR Block Hugger Headers for ZZ4 Crate Motor, Ceramic Coat

Hooker Headers |

#9302300H

Hooker 2301HKR Block Hugger Headers for ZZ4 Crate Motor, Ceramic Coat

Header Tube Type:

Block Hugger

Exhaust Port Shape:

D-port

Flange Style:

Standard

$727.95

/pair

$787.95

Hooker Header Installation Guide

Hooker headers are installed in a 1967 Pontiac Firebird for increased power and a boost in performance. See how to work through fitment of the steering box, clutch Z bar and starter.

Exhaust System Header Wrapping

Whether you’re looking for performance improvements or heat reduction, if you decide to wrap your headers, we'll show you the benefits and possible precautions to take before you wrap your exhaust.

Speedway Roadster Headers for a 305 Trike

In this Tech Tip, a customer asked about using a set of Small Block Chevy Sprint Roadster headers for his trike, powered by a stock 305.

Byron's 1975 Chevy Vega

It's not every day that you see a wild, IMSA inspired, 550 horsepower Vega. Byron Burnham went way outside the box with this one, and we love it.

GM Rally Wheels

Choosing new wheels for a GMC Chevrolet truck. This project uses Speedway Motors GM Rally Wheels and new tires to enhance the appearance of the truck.

Centering a 525 Steering Gear

Steve takes us along as he centers the 525 manual steering gear he is using for his Laguna.

Replacing GM Rear End Spherical Bushings

In this budget build, a GM rear end is upgraded in order to hold 400+ HP. See how spherical bushings are replaced in a used 8.5” GM 10 bolt rear end.

Replacing a G-Body 7.5" Bolt Rear End

Learn about the power behind the G-body platform and the steps to upgrade a 7.5" bolt rear end to a 8.5" to withstand high horsepower. See how to change the differential fluid and install new gaskets.

GM Body Styles

Need a little help Identifying GM Body Styles 1964-1972? Click Here!

Speedway Tech Talk - Flatheads Cylinder Heads

Tim talks about the new Edelbrock powder coated cylinder heads and provides a little history on Federal Mogul heads.

Speedway Ford Flathead V8 Center Dump Headers, AHC

Speedway Motors |

#91013601H

Speedway Ford Flathead V8 Center Dump Headers, AHC

(9)

Header Tube Type:

Shorty

Exhaust Port Shape:

Round

Flange Style:

Standard

$389.99

/pair

Tight-Fit Small Block Chevy ZZ-4 Block Hugger Headers, AHC Coated

Speedway Motors |

#9300104H

Tight-Fit Small Block Chevy ZZ-4 Block Hugger Headers, AHC Coated

(7)

Header Tube Type:

Block Hugger

Exhaust Port Shape:

Oval

Flange Style:

Standard

$329.99

/pair

Big Block Chevy, Block Hugger, Tight-Fit Headers, AHC Coated

Speedway Motors |

#9300102H

Big Block Chevy, Block Hugger, Tight-Fit Headers, AHC Coated

(4)

Header Tube Type:

Block Hugger

Exhaust Port Shape:

Round

Flange Style:

Standard

$374.99

/pair

Tight-Fit Small Block Chevy ZZ-4 Block Hugger Headers, Stainless Steel

Speedway Motors |

#9300104S

Tight-Fit Small Block Chevy ZZ-4 Block Hugger Headers, Stainless Steel

(1)

Header Tube Type:

Block Hugger

Exhaust Port Shape:

Oval

Flange Style:

Standard

$311.99

/pair

Speedway LS1 Header Kit, 1-7/8 Inch Tube

Speedway Motors |

#41869511

Speedway LS1 Header Kit, 1-7/8 Inch Tube

(3)

Header Tube Type:

Roadster

Exhaust Port Shape:

Round

Flange Style:

Standard

$297.99

/each

-9%

Patriot Exhaust |

#9308065

Patriot Exhaust Tight Tuck S/B Chevy Block Hugger Headers

(6)

Header Tube Type:

Block Hugger

Exhaust Port Shape:

Oval

Flange Style:

Standard

as low as

$527.07

/pair

$579.78

-9%

Patriot Exhaust |

#9308080

Patriot Exhaust E-Rod LS Tube Headers, Steel

(1)

Header Tube Type:

Block Hugger

Exhaust Port Shape:

Round

Flange Style:

Standard

as low as

$496.75

/pair

$546.43

Flowtech 11000FLT Universal Block Hugger Header, 1.625 Inch Tube Size

Flowtech Exhaust |

#42511000FLT

Flowtech 11000FLT Universal Block Hugger Header, 1.625 Inch Tube Size

Header Tube Type:

Block Hugger

Exhaust Port Shape:

Round

Flange Style:

Standard

$194.95

/each

-7%

Hooker 2001HKR Block Hugger Header, SB Chevy, 1.625 Inch Tube Size

Hooker Headers |

#4252001HKR

Hooker 2001HKR Block Hugger Header, SB Chevy, 1.625 Inch Tube Size

(1)

Header Tube Type:

Block Hugger

Exhaust Port Shape:

Round

Flange Style:

Standard

$675.95

/set

$731.95

-9%

Patriot Exhaust |

#93080671

Patriot Exhaust H8067-1 4.3 V6 Tight-Fit Shorty Headers, Ceramic

Header Tube Type:

Block Hugger

Flange Style:

Standard

Primary Tube Diameter:

1-1/2"

$801.61

/pair

$881.77

$559 Off

Flowtech 11702-2FLT SB Chevy Lakester Header, 1-5/8 Inch Primaries

Flowtech Exhaust |

#425117022FLT

Flowtech 11702-2FLT SB Chevy Lakester Header, 1-5/8 Inch Primaries

Header Tube Type:

Lake Style

Flange Style:

Standard

Primary Tube Diameter:

1-5/8"

$535.61

/each

$1,094.95

Flowtech 12164FLT Small Block Ford Turbo Headers, Natural 304

Flowtech Exhaust |

#42512164FLT

Flowtech 12164FLT Small Block Ford Turbo Headers, Natural 304

(1)

Header Tube Type:

Turbo

Exhaust Port Shape:

Square

Flange Style:

Standard

$154.95

/pair

Small Block Chevy Hugger Tight-Fit Headers for Angle Plug Heads, Raw

Speedway Motors |

#9308037

Small Block Chevy Hugger Tight-Fit Headers for Angle Plug Heads, Raw

(9)

Header Tube Type:

Block Hugger

Exhaust Port Shape:

Round

Flange Style:

Standard

$261.99

/pair

Flowtech 12167FLT Small Block Ford Turbo Headers, Natural 304

Flowtech Exhaust |

#42512167FLT

(32)

Header Tube Type:

Zoomie

Flange Style:

Standard

Primary Tube Diameter:

1-3/4"

$171.99

/pair

Rebate

Flowtech 11575FLT Shorty Headers, GM LS Universal, Natural

Flowtech Exhaust |

#42511575FLT

Flowtech 11575FLT Shorty Headers, GM LS Universal, Natural

(5)

Header Tube Type:

Shorty

Exhaust Port Shape:

Round

Flange Style:

Standard

$279.95

/each

$311.95

Rebate

Flowtech 12152FLT Coyote Turbo Headers, Natural 304 Stainless

Flowtech Exhaust |

#42512152FLT

Flowtech 12152FLT Coyote Turbo Headers, Natural 304 Stainless

Header Tube Type:

Turbo

Flange Style:

Standard

Primary Tube Diameter:

1-5/8"

$373.95

/pair

$415.95

Rebate

Flowtech 12165FLT Small Block Ford Turbo Headers, Polished 304

Flowtech Exhaust |

#42512165FLT

Flowtech 12165FLT Small Block Ford Turbo Headers, Polished 304

Header Tube Type:

Turbo

Exhaust Port Shape:

Square

Flange Style:

Standard

$403.95

/pair

$449.95

LS1 Tight-Fit, Block Hugger Headers, AHC Coated

Speedway Motors |

#9300114H

LS1 Tight-Fit, Block Hugger Headers, AHC Coated

(9)

Header Tube Type:

Block Hugger

Exhaust Port Shape:

Round

Flange Style:

Standard

$482.99

/pair

LS1 Block Hugger Tight-Fit Headers, Raw Finish

Speedway Motors |

#9300114

LS1 Block Hugger Tight-Fit Headers, Raw Finish

(5)

Header Tube Type:

Block Hugger

Exhaust Port Shape:

Round

Flange Style:

Standard

$321.99

/pair

Big Block Chevy Weld Up Header Kit, 2 In Primary, 3.5 In Collector

Speedway Motors |

#41865640

Big Block Chevy Weld Up Header Kit, 2 In Primary, 3.5 In Collector

(16)

Header Tube Type:

Roadster

Exhaust Port Shape:

Round

Flange Style:

Standard

$258.99

/each

Speedway Motors |

#91013601C

Flathead Center Dump Headers, Chrome

(1)

Header Tube Type:

Shorty

Exhaust Port Shape:

Round

Flange Style:

Standard

$415.99

/set

Tight-Fit Small Block Ford Block Hugger Headers, AHC Coated

Speedway Motors |

#9300201H

Tight-Fit Small Block Ford Block Hugger Headers, AHC Coated

(12)

Header Tube Type:

Block Hugger

Exhaust Port Shape:

Round

Flange Style:

Standard

$263.99

/pair

Speedway Flathead Ford V8 Center Dump Headers, Raw Finish

Speedway Motors |

#91013601

Speedway Flathead Ford V8 Center Dump Headers, Raw Finish

(14)

Header Tube Type:

Shorty

Exhaust Port Shape:

Round

Flange Style:

Standard

$259.99

/pair

Small Block Chevy 1935-48 Fat Fenderwell Headers, AHC Coated

Speedway Motors |

#9300150H

Small Block Chevy 1935-48 Fat Fenderwell Headers, AHC Coated

(23)

Header Tube Type:

Fenderwell

Exhaust Port Shape:

Round

Flange Style:

Standard

$525.99

/pair

Showing 1 - 36 of 73 results

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1975 GMC G25 Headers

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Products

C4 Corvette LS Swap Long Tube Headers for LS1, 5.3, 6.0, LS3

Hedman Hedders 69067 71-91 Chevy Van Headers, Uncoated

Hedman Hedders 66067 71-91 Chevy Van Headers, HTC

Hooker Headers Blackheart LS Turbo Manifold Kits

Hooker 2301HKR Block Hugger Headers for ZZ4 Crate Motor, Ceramic Coat

Related Articles

Speedway Ford Flathead V8 Center Dump Headers, AHC

Tight-Fit Small Block Chevy ZZ-4 Block Hugger Headers, AHC Coated

Big Block Chevy, Block Hugger, Tight-Fit Headers, AHC Coated

Tight-Fit Small Block Chevy ZZ-4 Block Hugger Headers, Stainless Steel

Speedway LS1 Header Kit, 1-7/8 Inch Tube

Patriot Exhaust Tight Tuck S/B Chevy Block Hugger Headers

Patriot Exhaust E-Rod LS Tube Headers, Steel

Flowtech 11000FLT Universal Block Hugger Header, 1.625 Inch Tube Size

Hooker 2001HKR Block Hugger Header, SB Chevy, 1.625 Inch Tube Size

Patriot Exhaust H8067-1 4.3 V6 Tight-Fit Shorty Headers, Ceramic

Flowtech 11702-2FLT SB Chevy Lakester Header, 1-5/8 Inch Primaries

Flowtech 12164FLT Small Block Ford Turbo Headers, Natural 304

Small Block Chevy Hugger Tight-Fit Headers for Angle Plug Heads, Raw

Flowtech 12167FLT Small Block Ford Turbo Headers, Natural 304

Tight-Fit Small Block Ford Block Hugger Headers, Chrome

216, 235, 261 Chevy 6 Cylinder Headers, Raw Finish

Small Block Chevy U-Weld-It Tight Fit Header Kit

ZZ-4 Tight-Fit Small Block Chevy Block Hugger Headers, Raw Finish

Speedway Small Block Chevy Block Hugger Headers, AHC Coated

Tight-Fit Small Block Chevy Block Hugger Headers, Chrome

Boom Tube Small Block Chevy Zoomie Headers for Sprint, Raw Finish

Flowtech 11575FLT Shorty Headers, GM LS Universal, Natural

Flowtech 12152FLT Coyote Turbo Headers, Natural 304 Stainless

Flowtech 12165FLT Small Block Ford Turbo Headers, Polished 304

LS1 Tight-Fit, Block Hugger Headers, AHC Coated

LS1 Block Hugger Tight-Fit Headers, Raw Finish

Big Block Chevy Weld Up Header Kit, 2 In Primary, 3.5 In Collector

Flathead Center Dump Headers, Chrome

Tight-Fit Small Block Ford Block Hugger Headers, AHC Coated

Speedway Flathead Ford V8 Center Dump Headers, Raw Finish

Small Block Chevy 1935-48 Fat Fenderwell Headers, AHC Coated

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