GMC Yukon Headers and Exhaust Parts

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GMC Yukon

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-33%

MagnaFlow |

#37612225

MagnaFlow 12225 5x8 Inch Oval Center/Offset Stainless Muffler

Muffler Type:

Straight-Through

Inlet Diameter:

2.25"

Outlet Diameter:

2.25"

$130.00

/each

$196.64

-34%

MagnaFlow |

#37612249

MagnaFlow 12249 5x8 Inch Oval Center/Center Stainless Muffler

Muffler Type:

Straight-Through

Inlet Diameter:

Outlet Diameter:

$162.00

/each

$245.87

-34%

MagnaFlow |

#37612251

MagnaFlow 12251 5x8 Inch Oval Center/Dual Stainless Muffler

Muffler Type:

Straight-Through

Inlet Diameter:

2.25"

Outlet Diameter:

2.25"

$164.00

/each

$249.63

-34%

MagnaFlow |

#37612254

MagnaFlow 12254 5x8 Inch Oval Center/Offset Stainless Muffler

Muffler Type:

Straight-Through

Inlet Diameter:

Outlet Diameter:

$146.00

/each

$221.39

-34%

MagnaFlow |

#37612259

MagnaFlow 12259 5x8 Inch Oval Center/Offset Stainless Muffler

Muffler Type:

Straight-Through

Inlet Diameter:

Outlet Diameter:

$162.00

/each

$245.87

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.

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.

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.

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.

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 Repair

Some basic info on the various exhaust options carried by Speedway Motors.

How to Install an Electric Motor Kit for Exhaust Cutouts

A guide on removing and installing a new electric motor kit for exhaust cutouts.

Suicide Doors on '41 GMC

In this Tech Tip, John talks about what can be expected when converting to suicide doors.

GM Body Styles

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

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.

-34%

MagnaFlow |

#37612265

MagnaFlow 12265 5x8 Inch Oval Offset/Dual Stainless Muffler

Muffler Type:

Straight-Through

Inlet Diameter:

2.5"

Outlet Diameter:

2.5"

$182.00

/each

$276.49

-34%

MagnaFlow |

#37612266

MagnaFlow 12266 5x8 Inch Oval Offset/Dual Stainless Muffler

Muffler Type:

Straight-Through

Inlet Diameter:

2.5"

Outlet Diameter:

2.25"

$176.00

/each

$268.21

-34%

MagnaFlow |

#37612268

MagnaFlow 12268 5x8 Inch Oval Center/Dual Stainless Muffler

Muffler Type:

Straight-Through

Inlet Diameter:

2.5"

Outlet Diameter:

2.5"

$172.00

/each

$262.12

-34%

MagnaFlow |

#37612279

MagnaFlow 12279 5x8 Inch Oval Center/Center Stainless Muffler

Muffler Type:

Straight-Through

Inlet Diameter:

Outlet Diameter:

$185.00

/each

$281.63

-34%

MagnaFlow |

#37612298

MagnaFlow 12298 5x8 Inch Oval Center/Dual Stainless Muffler

Muffler Type:

Straight-Through

Inlet Diameter:

Outlet Diameter:

$184.00

/each

$280.35

-34%

MagnaFlow |

#37612368

MagnaFlow 12368 5x8 Inch Oval Center/Dual Stainless Muffler

Muffler Type:

Straight-Through

Inlet Diameter:

2.5"

Outlet Diameter:

2.5"

$187.00

/each

$284.94

-34%

MagnaFlow |

#37612468

MagnaFlow 12468 5 Inch x 8 Inch Oval Dual/Dual Stainless Muffler

Muffler Type:

Straight-Through

Inlet Diameter:

2.5"

Outlet Diameter:

2.5"

$187.00

/each

$283.98

$148 Off

MagnaFlow |

#37612568

MagnaFlow 12568 5 Inch x 11 Inch Oval Dual/Dual Stainless Muffler

Muffler Type:

Straight-Through

Inlet Diameter:

2.5"

Outlet Diameter:

2.5"

$285.00

/each

$433.07

-33%

MagnaFlow |

#37618129

MagnaFlow 18129 4 Inch x 18 Inch Glasspack Performance Muffler

Muffler Type:

Glass Pack

Inlet Diameter:

Outlet Diameter:

$75.00

/each

$113.58

-34%

MagnaFlow |

#37618134

MagnaFlow 18134 3.5 Inch x 22 Inch Glasspack Performance Muffler

Muffler Type:

Glass Pack

Inlet Diameter:

Outlet Diameter:

$54.00

/each

$82.21

-33%

MagnaFlow |

#37618144

MagnaFlow 18144 3.5 Inch x 26 Inch Glasspack Performance Muffler

Muffler Type:

Glass Pack

Inlet Diameter:

Outlet Diameter:

$58.00

/each

$87.00

$140 Off

MagnaFlow |

#37614829

MagnaFlow 14829 5x8 Inch Oval Center/Center Stainless Muffler

Muffler Type:

Straight-Through

Inlet Diameter:

2.25"

Outlet Diameter:

$269.00

/each

$409.05

$112 Off

MagnaFlow |

#37614846

MagnaFlow 14846 6x6 Inch Round Center/Center Stainless Muffler

Muffler Type:

Straight-Through

Inlet Diameter:

2.25"

Outlet Diameter:

$215.00

/each

$327.32

$177 Off

MagnaFlow |

#37614869

MagnaFLow 14869 5 Inch Round Performance Muffler With Tip

Muffler Type:

Straight-Through

Inlet Diameter:

2.25"

Outlet Diameter:

$339.00

/each

$515.56

$124 Off

MagnaFlow |

#37614261

MagnaFlow 14261 5x8 Inch Oval Offset/Offset Stainless Muffler

Muffler Type:

Straight-Through

Inlet Diameter:

Outlet Diameter:

$238.00

/each

$361.94

$104 Off

MagnaFlow |

#37614262

MagnaFlow 14262 5x8 Inch Oval Offset/Offset Stainless Muffler

Muffler Type:

Straight-Through

Inlet Diameter:

2.25"

Outlet Diameter:

2.25"

$198.00

/each

$301.75

$104 Off

MagnaFlow |

#37614263

MagnaFlow 14263 5x8 Inch Oval Offset/Offset Stainless Muffler

Muffler Type:

Straight-Through

Inlet Diameter:

2.5"

Outlet Diameter:

2.5"

$198.00

/each

$301.75

$121 Off

MagnaFlow |

#37614266

MagnaFlow 14266 5x8 Inch Oval Offset/Dual Stainless Muffler

Muffler Type:

Straight-Through

Inlet Diameter:

2.5"

Outlet Diameter:

2.25"

$234.00

/each

$355.18

-34%

MagnaFlow |

#37614316

MagnaFlow 14316 4x9 Inch Oval Center/Center Stainless Muffler

Muffler Type:

Straight-Through

Inlet Diameter:

2.5"

Outlet Diameter:

2.5"

$164.00

/each

$249.63

-34%

MagnaFlow |

#37614325

MagnaFlow 14325 4x9 Inch Oval Center/Offset Stainless Muffler

Muffler Type:

Straight-Through

Inlet Diameter:

2.25"

Outlet Diameter:

2.25"

$164.00

/each

$249.63

-34%

MagnaFlow |

#37614335

MagnaFlow 14335 4x9 Inch Oval Offset/Offset Stainless Muffler

Muffler Type:

Straight-Through

Inlet Diameter:

2.25"

Outlet Diameter:

2.25"

$164.00

/each

$249.63

-34%

MagnaFlow |

#37614416

MagnaFlow 14416 4x4 Inch Round Center/Center Stainless Muffler

Muffler Type:

Straight-Through

Inlet Diameter:

2.5"

Outlet Diameter:

2.5"

$126.00

/each

$191.54

-33%

MagnaFlow |

#37614419

MagnaFlow 14419 4x4 Inch Round Center/Center Stainless Muffler

(1)

Muffler Type:

Straight-Through

Inlet Diameter:

Outlet Diameter:

$136.00

/each

$205.80

-34%

MagnaFlow |

#37614714

MagnaFlow 14714 7x7 Inch Round Center/Center Stainless Muffler

Muffler Type:

Straight-Through

Inlet Diameter:

Outlet Diameter:

$156.00

/each

$236.86

$109 Off

MagnaFlow |

#37614821

MagnaFlow 14821 6x6 Inch Round Center/Center Stainless Muffler

Muffler Type:

Straight-Through

Inlet Diameter:

2.25"

Outlet Diameter:

4.5"

$208.00

/each

$316.99

$110 Off

MagnaFlow |

#37614822

MagnaFlow 14822 6x6 Inch Round Center/Center Stainless Muffler

Muffler Type:

Straight-Through

Inlet Diameter:

2.25"

Outlet Diameter:

4.5"

$212.00

/each

$322.37

$143 Off

MagnaFlow |

#37614826

MagnaFlow 14826 7x7 Inch Round Center/Center Stainless Muffler

Muffler Type:

Straight-Through

Inlet Diameter:

2.25"

Outlet Diameter:

$272.00

/each

$414.52

-34%

MagnaFlow |

#37613278

MagnaFlow 13278 4x9 Inch Oval Center/Dual Chambered Muffler

Muffler Type:

Multi-Chamber

Inlet Diameter:

Outlet Diameter:

2.25"

$162.00

/each

$245.94

-34%

MagnaFlow |

#37613288

MagnaFlow 13288 4x9 Inch Oval Center/Dual Chambered Muffler

Muffler Type:

Multi-Chamber

Inlet Diameter:

Outlet Diameter:

2.5"

$162.00

/each

$245.94

$104 Off

MagnaFlow |

#37614148

MagnaFlow 14148 5x8 Inch Oval Center/Center Stainless Muffler

Muffler Type:

Straight-Through

Inlet Diameter:

2.5"

Outlet Diameter:

2.5"

$199.00

/each

$303.23

$103 Off

MagnaFlow |

#37614150

MagnaFlow 14150 5x8 Inch Oval Center/Center Stainless Muffler

Muffler Type:

Straight-Through

Inlet Diameter:

3.5"

Outlet Diameter:

3.5"

$198.00

/each

$301.17

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GMC Yukon Headers and Exhaust Parts

Year

Subcategory

Part

Brand

Transmission Family

Availability

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Price

Customer Rating

Products

MagnaFlow 12225 5x8 Inch Oval Center/Offset Stainless Muffler

MagnaFlow 12249 5x8 Inch Oval Center/Center Stainless Muffler

MagnaFlow 12251 5x8 Inch Oval Center/Dual Stainless Muffler

MagnaFlow 12254 5x8 Inch Oval Center/Offset Stainless Muffler

MagnaFlow 12259 5x8 Inch Oval Center/Offset Stainless Muffler

Related Articles

MagnaFlow 12265 5x8 Inch Oval Offset/Dual Stainless Muffler

MagnaFlow 12266 5x8 Inch Oval Offset/Dual Stainless Muffler

MagnaFlow 12268 5x8 Inch Oval Center/Dual Stainless Muffler

MagnaFlow 12279 5x8 Inch Oval Center/Center Stainless Muffler

MagnaFlow 12298 5x8 Inch Oval Center/Dual Stainless Muffler

MagnaFlow 12368 5x8 Inch Oval Center/Dual Stainless Muffler

MagnaFlow 12468 5 Inch x 8 Inch Oval Dual/Dual Stainless Muffler

MagnaFlow 12568 5 Inch x 11 Inch Oval Dual/Dual Stainless Muffler

MagnaFlow 18129 4 Inch x 18 Inch Glasspack Performance Muffler

MagnaFlow 18134 3.5 Inch x 22 Inch Glasspack Performance Muffler

MagnaFlow 18144 3.5 Inch x 26 Inch Glasspack Performance Muffler

MagnaFlow 14829 5x8 Inch Oval Center/Center Stainless Muffler

MagnaFlow 14846 6x6 Inch Round Center/Center Stainless Muffler

MagnaFLow 14869 5 Inch Round Performance Muffler With Tip

MagnaFlow 14261 5x8 Inch Oval Offset/Offset Stainless Muffler

MagnaFlow 14262 5x8 Inch Oval Offset/Offset Stainless Muffler

MagnaFlow 14263 5x8 Inch Oval Offset/Offset Stainless Muffler

MagnaFlow 14266 5x8 Inch Oval Offset/Dual Stainless Muffler

MagnaFlow 14316 4x9 Inch Oval Center/Center Stainless Muffler

MagnaFlow 14325 4x9 Inch Oval Center/Offset Stainless Muffler

MagnaFlow 14335 4x9 Inch Oval Offset/Offset Stainless Muffler

MagnaFlow 14416 4x4 Inch Round Center/Center Stainless Muffler

MagnaFlow 14419 4x4 Inch Round Center/Center Stainless Muffler

MagnaFlow 14714 7x7 Inch Round Center/Center Stainless Muffler

MagnaFlow 14821 6x6 Inch Round Center/Center Stainless Muffler

MagnaFlow 14822 6x6 Inch Round Center/Center Stainless Muffler

MagnaFlow 14826 7x7 Inch Round Center/Center Stainless Muffler

MagnaFlow 13278 4x9 Inch Oval Center/Dual Chambered Muffler

MagnaFlow 13288 4x9 Inch Oval Center/Dual Chambered Muffler

MagnaFlow 14148 5x8 Inch Oval Center/Center Stainless Muffler

MagnaFlow 14150 5x8 Inch Oval Center/Center Stainless Muffler