Shelby Street Header Reducers

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Shelby

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Street

Products

Speedway Motors |

#91013754

Header Reducer Kit, 3 to 2-1/2 Inch

(35)

Material Type:

Steel

Flange Style:

3-Bolt

$24.99

/pair

Speedway 3-Bolt Header Collector Reducer Kit, 2-1/2 to 2 Inch

Speedway Motors |

#91013751

Speedway 3-Bolt Header Collector Reducer Kit, 2-1/2 to 2 Inch

(45)

Material Type:

Steel

Flange Style:

3-Bolt

$32.99

/pair

3-Bolt Exhaust Flange Collector w/ O2 Bung, 2.5-inch SS

Speedway Motors |

#9302504

3-Bolt Exhaust Flange Collector w/ O2 Bung, 2.5-inch SS

(1)

Gasket(s) Included:

Yes

Sold in Quantity:

Pair

Flange Style:

3-Bolt

$59.99

/pair

3-Bolt Exhaust Flange to V-Band Flange w/ O2 Bung, 2.5-inch

Speedway Motors |

#9302501

3-Bolt Exhaust Flange to V-Band Flange w/ O2 Bung, 2.5-inch

Gasket(s) Included:

Yes

Sold in Quantity:

Pair

Flange Style:

3-Bolt

$69.99

/pair

3-Bolt Exhaust Flange to V-Band Flange w/ O2 Bung, 3.0/2.5-in SS

Speedway Motors |

#9302514

3-Bolt Exhaust Flange to V-Band Flange w/ O2 Bung, 3.0/2.5-in SS

Gasket(s) Included:

Yes

Sold in Quantity:

Pair

Flange Style:

3-Bolt

$118.99

/pair

Understanding Shelby/Arning Drop Changes

Darrian explains the process of Shelby/Arning drop changes and how that affects your car.

Speedway Tech Talk - Derby Car Headers

Jeremy explains the different options of headers that Speedway Motors offers for Demolition Derby cars. Watch this video to see a variety of options and the benefits of certain headers.

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.

Chevy Bel Air Rear Lowering Kit

Check out these great tips and tricks on how to successfully lower the stance on a Chevy Bel Air.

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.

3-Bolt Exhaust Flange Collector w/ O2 Bung, 3.0/2.5-in SS

Speedway Motors |

#9302506

3-Bolt Exhaust Flange Collector w/ O2 Bung, 3.0/2.5-in SS

Gasket(s) Included:

Yes

Sold in Quantity:

Pair

Flange Style:

3-Bolt

$56.99

/pair

Speedway Motors |

#91013752

Header Reducer Kit, 3 to 2-1/4 Inch

(20)

Material Type:

Steel

Flange Style:

3-Bolt

$29.99

/pair

3-Bolt Exhaust Flange Collector w/ O2 Bung, 3.5/3.0-in SS

Speedway Motors |

#9302517

3-Bolt Exhaust Flange Collector w/ O2 Bung, 3.5/3.0-in SS

Gasket(s) Included:

Yes

Sold in Quantity:

Pair

Flange Style:

3-Bolt

$59.99

/pair

3-Bolt Exhaust Flange to V-Band Flange w/ O2 Bung, 2.5-inch SS

Speedway Motors |

#9302502

3-Bolt Exhaust Flange to V-Band Flange w/ O2 Bung, 2.5-inch SS

Gasket(s) Included:

Yes

Sold in Quantity:

Pair

Flange Style:

3-Bolt

$110.99

/pair

3-Bolt Exhaust Flange Collector w/ O2 Bung, 3.5/2.5-in SS

Speedway Motors |

#9302507

3-Bolt Exhaust Flange Collector w/ O2 Bung, 3.5/2.5-in SS

Gasket(s) Included:

Yes

Sold in Quantity:

Pair

Flange Style:

3-Bolt

$44.99

/pair

Speedway Motors |

#91013753

Header Reducer Kit, 3-1/2 to 2-1/2 Inch

(18)

Material Type:

Steel

Flange Style:

3-Bolt

$34.99

/pair

3-Bolt Exhaust Flange to V-Band Flange w/ O2 Bung, 3.0/2.5-in

Speedway Motors |

#9302510

3-Bolt Exhaust Flange to V-Band Flange w/ O2 Bung, 3.0/2.5-in

(1)

Gasket(s) Included:

Yes

Sold in Quantity:

Pair

Flange Style:

3-Bolt

$94.99

/pair

3-Bolt Exhaust Flange Collector w/ O2 Bung, 3.0/2.25-in SS

Speedway Motors |

#9302505

3-Bolt Exhaust Flange Collector w/ O2 Bung, 3.0/2.25-in SS

Gasket(s) Included:

Yes

Sold in Quantity:

Pair

Flange Style:

3-Bolt

$53.99

/pair

-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

3-Bolt Exhaust Flange to V-Band Flange w/ O2 Bung, 3.5/3.0-in

Speedway Motors |

#9302518

3-Bolt Exhaust Flange to V-Band Flange w/ O2 Bung, 3.5/3.0-in

Gasket(s) Included:

Yes

Sold in Quantity:

Pair

Flange Style:

3-Bolt

$114.99

/pair

-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

3-Bolt Exhaust Flange to V-Band Flange w/ O2 Bung, 3.5/3.0-in SS

Speedway Motors |

#9302519

3-Bolt Exhaust Flange to V-Band Flange w/ O2 Bung, 3.5/3.0-in SS

Gasket(s) Included:

Yes

Sold in Quantity:

Pair

Flange Style:

3-Bolt

$146.99

/pair

Stainless Header Reducer Kit, 2-1/2 to 2 Inch

Speedway Motors |

#91013755

Stainless Header Reducer Kit, 2-1/2 to 2 Inch

(15)

Sold in Quantity:

Pair

Flange Style:

3-Bolt

$47.99

/pair

3-Bolt Exhaust Flange to V-Band Flange w/ O2 Bung,2.5/2.0-inch

Speedway Motors |

#9302508

3-Bolt Exhaust Flange to V-Band Flange w/ O2 Bung,2.5/2.0-inch

Gasket(s) Included:

Yes

Sold in Quantity:

Pair

Flange Style:

3-Bolt

$85.99

/pair

3-Bolt Exhaust Flange to V-Band Flange w/ O2 Bung, 3.0/2.25-in

Speedway Motors |

#9302509

3-Bolt Exhaust Flange to V-Band Flange w/ O2 Bung, 3.0/2.25-in

Gasket(s) Included:

Yes

Sold in Quantity:

Pair

Flange Style:

3-Bolt

$90.99

/pair

3-Bolt Exhaust Flange to V-Band Flange w/ O2 Bung, 3.5/2.5-in

Speedway Motors |

#9302511

3-Bolt Exhaust Flange to V-Band Flange w/ O2 Bung, 3.5/2.5-in

Gasket(s) Included:

Yes

Sold in Quantity:

Pair

Flange Style:

3-Bolt

$100.99

/pair

3-Bolt Exhaust Flange to V-Band Flange w/ O2 Bung, 3.0/2.25-in SS

Speedway Motors |

#9302513

3-Bolt Exhaust Flange to V-Band Flange w/ O2 Bung, 3.0/2.25-in SS

Gasket(s) Included:

Yes

Sold in Quantity:

Pair

Flange Style:

3-Bolt

$113.99

/pair

3-Bolt Exhaust Flange to V-Band Flange w/ O2 Bung, 2.5/2.0-in SS

Speedway Motors |

#9302512

3-Bolt Exhaust Flange to V-Band Flange w/ O2 Bung, 2.5/2.0-in SS

Gasket(s) Included:

Yes

Sold in Quantity:

Pair

Flange Style:

3-Bolt

$110.99

/pair

-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

3-Bolt Exhaust Flange to V-Band Flange w/ O2 Bung, 3.5/2.5-in SS

Speedway Motors |

#9302515

3-Bolt Exhaust Flange to V-Band Flange w/ O2 Bung, 3.5/2.5-in SS

Gasket(s) Included:

Yes

Sold in Quantity:

Pair

Flange Style:

3-Bolt

$124.99

/pair

Rebate

Flowtech Exhaust |

#42510005FLT

Flowtech 10005FLT Reducer Kit, One Pair, 3-Bolt

(1)

Material Type:

Steel

Flange Style:

3-Bolt

$32.72

/pair

$36.35

Spectre Performance |

#4654641

Spectre 4641 Header Reducer Kit, 3 Inch Inlet, 2-1/2 Inch Outlet, Pair

(2)

Material Type:

Steel

Flange Style:

3-Bolt

$39.99

/pair

-7%

Flowmaster |

#37815925

Flowmaster 15925 Ball Flange 3 Inch Collector to 2.5 Inch

(5)

Material Type:

Steel

Flange Style:

2-Bolt

$207.95

/pair

$224.95

-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

Spectre Performance |

#4654642

Spectre 4642 Header Reducer Kit, 2-1/2 Inlet, 2-1/4 Inch Outlet, Pair

(2)

Material Type:

Steel

Flange Style:

3-Bolt

$34.99

/pair

-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

-7%

Flowmaster |

#37815923

Flowmaster 15923 Ball Flange 3.5 Inch Collector to 3 Inch

Material Type:

Steel

Flange Style:

2-Bolt

$265.95

/pair

$287.95

-7%

Flowmaster |

#378R3025

Flowmaster R3025 Venturi Reducer, 3 in. Inlet

Diameter Small End:

2.5"

Sold in Quantity:

Pair

$51.95

/pair

$56.19

-8%

Hooker 11026HKR Reducer, 3 Bolt Flange, 2.5 Inch Diameter

Hooker Headers |

#42511026HKR

Hooker 11026HKR Reducer, 3 Bolt Flange, 2.5 Inch Diameter

(1)

Material Type:

Steel

Flange Style:

3-Bolt

$74.35

/pair

$80.95

-8%

Hooker 11032HKR Reducer, 3 Bolt Flange, 3 Inch Diameter

Hooker Headers |

#42511032HKR

Hooker 11032HKR Reducer, 3 Bolt Flange, 3 Inch Diameter

(1)

Material Type:

Steel

Flange Style:

3-Bolt

$74.35

/pair

$80.95

Showing 1 - 36 of 97 results

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Shelby Street Header Reducers

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Products

Header Reducer Kit, 3 to 2-1/2 Inch

Speedway 3-Bolt Header Collector Reducer Kit, 2-1/2 to 2 Inch

3-Bolt Exhaust Flange Collector w/ O2 Bung, 2.5-inch SS

3-Bolt Exhaust Flange to V-Band Flange w/ O2 Bung, 2.5-inch

3-Bolt Exhaust Flange to V-Band Flange w/ O2 Bung, 3.0/2.5-in SS

Related Articles

3-Bolt Exhaust Flange Collector w/ O2 Bung, 3.0/2.5-in SS

Header Reducer Kit, 3 to 2-1/4 Inch

3-Bolt Exhaust Flange Collector w/ O2 Bung, 3.5/3.0-in SS

3-Bolt Exhaust Flange to V-Band Flange w/ O2 Bung, 2.5-inch SS

3-Bolt Exhaust Flange Collector w/ O2 Bung, 3.5/2.5-in SS

Header Reducer Kit, 3-1/2 to 2-1/2 Inch

3-Bolt Exhaust Flange to V-Band Flange w/ O2 Bung, 3.0/2.5-in

3-Bolt Exhaust Flange Collector w/ O2 Bung, 3.0/2.25-in SS

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

3-Bolt Exhaust Flange to V-Band Flange w/ O2 Bung, 3.5/3.0-in

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

3-Bolt Exhaust Flange to V-Band Flange w/ O2 Bung, 3.5/3.0-in SS

Stainless Header Reducer Kit, 2-1/2 to 2 Inch

3-Bolt Exhaust Flange to V-Band Flange w/ O2 Bung,2.5/2.0-inch

3-Bolt Exhaust Flange to V-Band Flange w/ O2 Bung, 3.0/2.25-in

3-Bolt Exhaust Flange to V-Band Flange w/ O2 Bung, 3.5/2.5-in

3-Bolt Exhaust Flange to V-Band Flange w/ O2 Bung, 3.0/2.25-in SS

3-Bolt Exhaust Flange to V-Band Flange w/ O2 Bung, 2.5/2.0-in SS

JBA 1650ST Stainless Steel 1650 Starter Tubes

3-Bolt Exhaust Flange to V-Band Flange w/ O2 Bung, 3.5/2.5-in SS

Flowtech 10005FLT Reducer Kit, One Pair, 3-Bolt

Spectre 4641 Header Reducer Kit, 3 Inch Inlet, 2-1/2 Inch Outlet, Pair

Flowmaster 15925 Ball Flange 3 Inch Collector to 2.5 Inch

Patriot Exhaust H7237 Collector Reducers, 3 Inch

Patriot Exhaust H7244 Collector Reducers, 3 Inch

Spectre 4642 Header Reducer Kit, 2-1/2 Inlet, 2-1/4 Inch Outlet, Pair

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

Flowmaster 15923 Ball Flange 3.5 Inch Collector to 3 Inch

Flowmaster R3025 Venturi Reducer, 3 in. Inlet

Hooker 11026HKR Reducer, 3 Bolt Flange, 2.5 Inch Diameter

Hooker 11032HKR Reducer, 3 Bolt Flange, 3 Inch Diameter

Popular Parts and Makes