Mercury Cyclone Header Reducers

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Mercury Cyclone

Products

Hedman Hedders |

#41821155

Hedman Hedders 21155 2-1/2 Inch Header Collector Conversion Kit

Sold in Quantity:

Kit

Flange Style:

3-Bolt Ball and Socket

$199.99

/kit

Hedman Hedders |

#41821110

Hedman Hedders 21110 3 Inch Header Reducers 2-1/2 Inch

Sold in Quantity:

Pair

Flange Style:

3-Bolt

$45.48

/pair

Hedman Hedders |

#41821114

Hedman Hedders 21114 3 Inch Ball-Style Header Reducers 2-1/4 Inch

Sold in Quantity:

Pair

Flange Style:

3-Bolt Ball and Socket

$33.39

/pair

Hedman Hedders |

#41821116

Hedman Hedders 21116 2-1/2 Inch Ball-Style Header Reducer 2 Inch

Sold in Quantity:

Each

Flange Style:

3-Bolt Ball and Socket

$25.12

/each

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

Exhaust Manifolds VS Headers | How Much HP Do Headers Add

Headers and manifolds differ in design and function. Long tube headers, shorty headers, and exhaust manifolds each have their pros and cons regarding performance and application.

Wrapping Exhaust Manifolds to Reduce Under Hood Temps

Learn how to wrap exhaust headers to help keep under hood temperatures down. This articles shows how cast iron exhaust manifolds are wrapped in 1-inch black header wrap with stainless steel exhaust wrap ties.

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.

Ceramic Coated Headers

Watch our video on the ceramic coating process for Armor Hot Coating. Headers coated with Armor Hot Coating protect your car without sacrificing looks.

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.

How to Lower C10 Front Suspension with Drop Springs and Spindles

Watch as we install a front suspension lowering kit on our 1968 Chevy C10. Upgrades include disc brakes with a 5 on 5” bolt circle as well as 2” drop springs and 2 ½” drop spindles.

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

-9%

Patriot Exhaust |

#447H7248

Patriot Exhaust H7248 Collector Reducers, 2.5" to 2.0" Outlet

Material Type:

Steel

Flange Style:

3-Bolt

$43.37

/pair

$47.71

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

Patriot Exhaust |

#9307249

Patriot Exhaust H7249 Replacement Collector Reducer For H8014

Sold in Quantity:

Set

GTIN Code:

694342533175

$98.79

/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

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 |

#41821156

Hedman Hedders 21156 3 Inch Header Collector Conversion Kit

Sold in Quantity:

Kit

Flange Style:

3-Bolt Ball and Socket

$165.26

/kit

-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

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

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 |

#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 |

#41821107

Hedman Hedders 21107 3 Inch Header Reducer w/O2 Bung 2-1/4 Inch

Sold in Quantity:

Each

Flange Style:

3-Bolt

$30.12

/each

Hedman Hedders |

#41821109

Hedman Hedders 21109 2-1/2 Inch Header Reducers 2 Inch

Sold in Quantity:

Pair

Flange Style:

3-Bolt

$42.59

/pair

Hedman Hedders |

#41821113

Hedman Hedders 21113 2-1/2 Inch Ball-Style Header Reducers 2 Inch

Sold in Quantity:

Pair

Flange Style:

3-Bolt Ball and Socket

$30.99

/pair

Hedman Hedders |

#41821115

Hedman Hedders 21115 3 Inch Ball-Style Header Reducers 2-1/2 Inch

Sold in Quantity:

Pair

Flange Style:

3-Bolt Ball and Socket

$33.99

/pair

Hedman Hedders |

#41822105

Hedman 22105 2-1/2 Inch Stainless Steel Header Reducers, Pair

Sold in Quantity:

Pair

Flange Style:

3-Bolt

$178.99

/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 |

#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 |

#41822124

Hedman Hedders 22124 2-1/2 Inch Ball-Style Header Reducer 2 Inch

Sold in Quantity:

Each

Flange Style:

3-Bolt Ball and Socket

$93.62

/each

Hedman Hedders |

#41821153

Hedman Hedders 21153 2-1/2 Inch Header Collector Conversion Kit

Sold in Quantity:

Kit

Flange Style:

3-Bolt Ball and Socket

$37.99

/kit

Hedman Hedders |

#41821142

Hedman Hedders 21142 3 Inch Header Reducer 2-1/2 Inch

Sold in Quantity:

Each

Flange Style:

3-Bolt

$27.99

/each

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

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

Speedway Motors |

#9302503

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

(1)

Gasket(s) Included:

Yes

Sold in Quantity:

Pair

Flange Style:

3-Bolt

$49.99

/pair

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

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, 3.0/2.5-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 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

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

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

Showing 1 - 36 of 96 results

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Mercury Cyclone Header Reducers

Flange Style

Brand

Availability

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Price

Customer Rating

Products

Hedman Hedders 21155 2-1/2 Inch Header Collector Conversion Kit

Hedman Hedders 21110 3 Inch Header Reducers 2-1/2 Inch

Hedman Hedders 21114 3 Inch Ball-Style Header Reducers 2-1/4 Inch

Hedman Hedders 21116 2-1/2 Inch Ball-Style Header Reducer 2 Inch

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

Related Articles

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

Patriot Exhaust H7248 Collector Reducers, 2.5" to 2.0" Outlet

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

Patriot Exhaust H7249 Replacement Collector Reducer For H8014

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

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

Hedman Hedders 21156 3 Inch Header Collector Conversion Kit

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

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

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

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

Hedman Hedders 21107 3 Inch Header Reducer w/O2 Bung 2-1/4 Inch

Hedman Hedders 21109 2-1/2 Inch Header Reducers 2 Inch

Hedman Hedders 21113 2-1/2 Inch Ball-Style Header Reducers 2 Inch

Hedman Hedders 21115 3 Inch Ball-Style Header Reducers 2-1/2 Inch

Hedman 22105 2-1/2 Inch Stainless Steel Header Reducers, Pair

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

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

Hedman Hedders 22124 2-1/2 Inch Ball-Style Header Reducer 2 Inch

Hedman Hedders 21153 2-1/2 Inch Header Collector Conversion Kit

Hedman Hedders 21142 3 Inch Header Reducer 2-1/2 Inch

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

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

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

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, 3.0/2.5-in

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

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

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

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