Cadillac XLR Header Reducers

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Cadillac XLR

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Cadillac XLR

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

-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

Exhaust Manifolds VS Headers | How Much HP Do Headers Add

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Tuning Tips after Header Installation

Making the switch from manifolds to headers is a popular performance upgrade, but it may take more than just bolting on the new part. We provide some tips and things to consider after you bolt on a new set of headers.

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.

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.

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.

Complete Guide to Lowering Options for Your Muscle Car, Hot Rod, or Truck

There is certainly more than one way to get your project's ride height or stance where you want it and we provide a brief overview of the options in this buyer's guide on lowering products.

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

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

-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

New Product

Speedway Motors |

#91013755-2

Hex Head Header Reducer Hardware Kit

Sold in Quantity:

Each

$1.39

/each

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

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

-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 |

#447H7238

Patriot Exhaust H7238 Collector Reducers, 3 Inch

(2)

Material Type:

Steel

Flange Style:

3-Bolt

$49.37

/pair

$54.31

Hedman Hedders |

#41822129

Hedman Hedders 22129 2-1/2 Inch Header Reducers 2-1/2 Inch

Sold in Quantity:

Pair

Flange Style:

3-Bolt Ball and Socket

$185.99

/pair

Hedman Hedders |

#41821112

Hedman Hedders 21112 3 Inch Ball-Style Header Reducers 2-1/2 Inch

Sold in Quantity:

Pair

Flange Style:

3-Bolt Ball and Socket

$45.99

/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 |

#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

Showing 1 - 36 of 64 results

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Cadillac XLR Header Reducers

Flange Style

Brand

Availability

Discounts

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

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

Related Articles

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

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

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

Hex Head Header Reducer Hardware Kit

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

Hedman Hedders 21152 3 Inch Header Collector Conversion Kit

JBA 1650ST Stainless Steel 1650 Starter Tubes

Patriot Exhaust H7237 Collector Reducers, 3 Inch

Patriot Exhaust H7238 Collector Reducers, 3 Inch

Hedman Hedders 22129 2-1/2 Inch Header Reducers 2-1/2 Inch

Hedman Hedders 21112 3 Inch Ball-Style Header Reducers 2-1/2 Inch

Hedman Hedders 21118 3 Inch Steel Header Reducers 3 Inch

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

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