1991 Ford Thunderbird Header Reducers

64 products fit your

1991 Ford Thunderbird

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3-Bolt Ball and Socket

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64 products

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Fitment

1991 Ford Thunderbird

Department

Street

Application

Modern Muscle

Products

-9%

JBA 1650-1ST Stainless 1650 EFI Starter Tubes, 2.5

JBA Headers |

#44716501ST

JBA 1650-1ST Stainless 1650 EFI Starter Tubes, 2.5

Sold in Quantity:

Pair

Flange Style:

2-Bolt

$81.25

/set

$89.38

-9%

Patriot Exhaust |

#447H7239

Patriot Exhaust H7239 Collector Reducers, 2-1/2 Inch

(13)

Material Type:

Steel

Flange Style:

3-Bolt

$39.49

/pair

$43.44

-9%

JBA 1650ST Stainless Steel 1650 Starter Tubes

JBA Headers |

#4471650ST

JBA 1650ST Stainless Steel 1650 Starter Tubes

(3)

Sold in Quantity:

Pair

Flange Style:

2-Bolt

$70.28

/set

$77.31

-9%

Patriot Exhaust |

#447H7237

Patriot Exhaust H7237 Collector Reducers, 3 Inch

(2)

Material Type:

Steel

Flange Style:

3-Bolt

$49.37

/pair

$54.31

-9%

Patriot Exhaust |

#447H7244

Patriot Exhaust H7244 Collector Reducers, 3 Inch

(1)

Material Type:

Steel

Flange Style:

3-Bolt

$49.37

/pair

$54.31

Modifying Axles to Lower a Hot Rod

Learn how to lower a hot rod by modifying the axles and some history behind early hop ups. This project features a Ford axle with wishbones for a Model A.

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.

Rebuilding Junkyard SBC Vortec Cylinder Heads

Learn how to re-build a junkyard Small Block Chevy. A step-by-step guide on how to select a SBC, machine the valve guide bosses down, and what parts to use to upgrade to your personal liking.

-9%

Patriot Exhaust |

#447H7242

Patriot Exhaust H7242 Collector Reducers, 2-1/2 Inch

(3)

Material Type:

Steel

Flange Style:

3-Bolt

$43.88

/pair

$48.27

Hedman Hedders |

#41821119

Hedman Hedders 21119 3 Inch Ball-Style Header Reducers 3 Inch

(1)

Sold in Quantity:

Pair

Flange Style:

3-Bolt Ball and Socket

$38.99

/pair

-9%

Patriot Exhaust |

#447H7238

Patriot Exhaust H7238 Collector Reducers, 3 Inch

(2)

Material Type:

Steel

Flange Style:

3-Bolt

$49.37

/pair

$54.31

-9%

JBA 31650ST 304 Series SS 2 bolt Starter Tubes

JBA Headers |

#44731650ST

JBA 31650ST 304 Series SS 2 bolt Starter Tubes

Sold in Quantity:

Pair

Flange Style:

2-Bolt

$127.36

/set

$140.10

-9%

Patriot Exhaust |

#447H7245

Patriot Exhaust H7245 Collector Reducers, 3-1/2 Inch

(1)

Material Type:

Steel

Flange Style:

3-Bolt

$49.37

/pair

$54.31

-9%

Patriot Exhaust |

#447H7246

Patriot Exhaust H7246 Collector Reducers, 3-1/2 Inch

Material Type:

Steel

Flange Style:

3-Bolt

$43.88

/pair

$48.27

Patriot H7229 3-bolt 2.5" X 2.25 X 1.5 4 Gauge Collector Flanges

Patriot Exhaust |

#9307229

Patriot H7229 3-bolt 2.5" X 2.25 X 1.5 4 Gauge Collector Flanges

Sold in Quantity:

Pair

Flange Style:

3-Bolt

$49.37

/pair

-9%

Patriot Exhaust |

#447H7235

Patriot Exhaust H7235 Collector Reducers, 3-1/2 Inch

Material Type:

Steel

Flange Style:

3-Bolt

$76.85

/pair

$84.54

Hedman Hedders |

#41821152

Hedman Hedders 21152 3 Inch Header Collector Conversion Kit

Sold in Quantity:

Kit

Flange Style:

3-Bolt Ball and Socket

$39.99

/kit

-7%

Flowmaster |

#37815938

Flowmaster 15938 Ball Flange 2-1/2 Inch Collector to 2.5 Inch

Material Type:

Steel

Flange Style:

2-Bolt

$212.95

/kit

$230.95

Hedman Hedders |

#41821111

Hedman Hedders 21111 2-1/2 Inch Ball-Style Header Reducers 2 Inch

Sold in Quantity:

Pair

Flange Style:

3-Bolt Ball and Socket

$47.99

/pair

Patriot H7251 3" Diameter, 2 1/4" Outlet Collector Reducers

Patriot Exhaust |

#9307251

Patriot H7251 3" Diameter, 2 1/4" Outlet Collector Reducers

Sold in Quantity:

Pair

Flange Style:

3-Bolt

$54.86

/pair

-9%

JBA 1653ST Stainless Steel Mid-Pipe Starter Tubes

JBA Headers |

#4471653ST

JBA 1653ST Stainless Steel Mid-Pipe Starter Tubes

Sold in Quantity:

Pair

Flange Style:

2-Bolt

$81.25

/pair

$89.38

Hedman Hedders |

#41822125

Hedman Hedders 22125 3 Inch Ball-Style Header Reducer 2-1/2 Inch

Sold in Quantity:

Each

Flange Style:

3-Bolt Ball and Socket

$96.53

/each

Hedman Hedders |

#41821126

Hedman Hedders 21126 2-1/2 Inch Header Reducer 2-1/4 Inch

Sold in Quantity:

Each

Flange Style:

3-Bolt

$24.99

/each

Patriot Exhaust |

#9307243

Patriot Exhaust H7243 3" Diameter 2.5" Outlet Collector Reducers

Material Type:

Steel

Flange Style:

3-Bolt

$54.86

/pair

Hedman Hedders |

#41821122

Hedman Hedders 21122 3 Inch Ball-Style Header Reducers 2-1/4 Inch

Sold in Quantity:

Pair

Flange Style:

3-Bolt Ball and Socket

$47.65

/pair

Hedman Hedders |

#41822115

Hedman Hedders 22115 3 Inch Ball-Style Header Reducers 2-1/2 Inch

Sold in Quantity:

Pair

Flange Style:

3-Bolt Ball and Socket

$167.97

/pair

Hedman Hedders |

#41821100

Hedman Hedders 21100 3 Inch Steel Header Reducer 2-1/4 Inch

Sold in Quantity:

Each

Flange Style:

3-Bolt

$32.91

/each

Hedman Hedders |

#41821134

Hedman Hedders 21134 3 Inch Ball-Style Header Reducer 3 Inch

Sold in Quantity:

Each

Flange Style:

3-Bolt Ball and Socket

$25.57

/each

Hedman Hedders |

#41821104

Hedman Hedders 21104 3-1/2 Inch Steel Header Reducer 2-1/2 Inch

Sold in Quantity:

Pair

Flange Style:

3-Bolt

$38.99

/pair

Hedman Hedders |

#41821103

Hedman Hedders 21103 3 Inch Steel Header Reducer 2-1/2 Inch

Sold in Quantity:

Pair

Flange Style:

3-Bolt

$36.99

/pair

Hedman Hedders |

#41821151

Hedman Hedders 21151 2-1/2 Inch Header Collector Conversion Kit

Sold in Quantity:

Kit

Flange Style:

3-Bolt Ball and Socket

$35.99

/kit

Hedman Hedders |

#41821143

Hedman Hedders 21143 3 Inch Ball-Style Header Reducer 2-1/2 Inch

Sold in Quantity:

Each

Flange Style:

3-Bolt Ball and Socket

$23.92

/each

Hedman Hedders |

#41821101

Hedman Hedders 21101 2-1/2 Inch Steel Header Reducer 2 Inch

Sold in Quantity:

Each

Flange Style:

3-Bolt

$33.99

/each

Hedman Hedders |

#41822119

Hedman Hedders 22119 3 Inch Ball-Style Header Reducer2 3 Inch

Sold in Quantity:

Pair

Flange Style:

3-Bolt Ball and Socket

$178.99

/pair

Hedman Hedders |

#41821102

Hedman Hedders 21102 3 Inch UNIFIT Header Reducer 2-1/2 Inch

Sold in Quantity:

Pair

Flange Style:

Universal Bolt-in Flange

$49.99

/pair

Hedman Hedders |

#41821106

Hedman Hedders 21106 2-1/2 Inch Header Reducer w/O2 Bung 2 Inch

Sold in Quantity:

Each

Flange Style:

3-Bolt

$34.99

/each

Hedman Hedders |

#41822123

Hedman Hedders 22123 2-1/2 Inch Ball-Style Header Reducers 2 Inch

Sold in Quantity:

Pair

Flange Style:

3-Bolt Ball and Socket

$172.92

/pair

Hedman Hedders |

#41821118

Hedman Hedders 21118 3 Inch Steel Header Reducers 3 Inch

Sold in Quantity:

Pair

Flange Style:

3-Bolt

$39.99

/pair

Hedman Hedders |

#41821123

Hedman Hedders 21123 2-1/2 Inch Header Reducers 2-1/2 Inch

Sold in Quantity:

Pair

Flange Style:

3-Bolt Ball and Socket

$33.99

/pair

Showing 1 - 36 of 64 results

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1991 Ford Thunderbird Header Reducers

Flange Style

Brand

Availability

Discounts

Price

Customer Rating

Products

JBA 1650-1ST Stainless 1650 EFI Starter Tubes, 2.5

Patriot Exhaust H7239 Collector Reducers, 2-1/2 Inch

JBA 1650ST Stainless Steel 1650 Starter Tubes

Patriot Exhaust H7237 Collector Reducers, 3 Inch

Patriot Exhaust H7244 Collector Reducers, 3 Inch

Related Articles

Patriot Exhaust H7242 Collector Reducers, 2-1/2 Inch

Hedman Hedders 21119 3 Inch Ball-Style Header Reducers 3 Inch

Patriot Exhaust H7238 Collector Reducers, 3 Inch

JBA 31650ST 304 Series SS 2 bolt Starter Tubes

Patriot Exhaust H7245 Collector Reducers, 3-1/2 Inch

Patriot Exhaust H7246 Collector Reducers, 3-1/2 Inch

Patriot H7229 3-bolt 2.5" X 2.25 X 1.5 4 Gauge Collector Flanges

Patriot Exhaust H7235 Collector Reducers, 3-1/2 Inch

Hedman Hedders 21152 3 Inch Header Collector Conversion Kit

Flowmaster 15938 Ball Flange 2-1/2 Inch Collector to 2.5 Inch

Hedman Hedders 21111 2-1/2 Inch Ball-Style Header Reducers 2 Inch

Patriot H7251 3" Diameter, 2 1/4" Outlet Collector Reducers

JBA 1653ST Stainless Steel Mid-Pipe Starter Tubes

Hedman Hedders 22125 3 Inch Ball-Style Header Reducer 2-1/2 Inch

Hedman Hedders 21126 2-1/2 Inch Header Reducer 2-1/4 Inch

Patriot Exhaust H7243 3" Diameter 2.5" Outlet Collector Reducers

Hedman Hedders 21122 3 Inch Ball-Style Header Reducers 2-1/4 Inch

Hedman Hedders 22115 3 Inch Ball-Style Header Reducers 2-1/2 Inch

Hedman Hedders 21100 3 Inch Steel Header Reducer 2-1/4 Inch

Hedman Hedders 21134 3 Inch Ball-Style Header Reducer 3 Inch

Hedman Hedders 21104 3-1/2 Inch Steel Header Reducer 2-1/2 Inch

Hedman Hedders 21103 3 Inch Steel Header Reducer 2-1/2 Inch

Hedman Hedders 21151 2-1/2 Inch Header Collector Conversion Kit

Hedman Hedders 21143 3 Inch Ball-Style Header Reducer 2-1/2 Inch

Hedman Hedders 21101 2-1/2 Inch Steel Header Reducer 2 Inch

Hedman Hedders 22119 3 Inch Ball-Style Header Reducer2 3 Inch

Hedman Hedders 21102 3 Inch UNIFIT Header Reducer 2-1/2 Inch

Hedman Hedders 21106 2-1/2 Inch Header Reducer w/O2 Bung 2 Inch

Hedman Hedders 22123 2-1/2 Inch Ball-Style Header Reducers 2 Inch

Hedman Hedders 21118 3 Inch Steel Header Reducers 3 Inch

Hedman Hedders 21123 2-1/2 Inch Header Reducers 2-1/2 Inch

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