GMC Sierra Mufflers

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GMC Sierra

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Make

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Sierra

Model

251 products

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GMC Sierra

Products

-33%

MagnaFlow |

#37611114

MagnaFlow 11114 3.5x7 Inch Oval Center/Center Stainless Muffler

Muffler Type:

Straight-Through

Inlet Diameter:

Outlet Diameter:

$145.00

/each

$219.48

-34%

MagnaFlow |

#37611148

MagnaFlow 11148 3.5x7 Inch Oval Center/Dual Stainless Muffler

Muffler Type:

Straight-Through

Inlet Diameter:

2.25"

Outlet Diameter:

$185.00

/each

$280.97

-34%

MagnaFlow |

#37611245

MagnaFlow 11245 4x9 Inch Oval Center/Center Stainless Muffler

Muffler Type:

Straight-Through

Inlet Diameter:

2.25"

Outlet Diameter:

2.25"

$139.00

/each

$210.85

-34%

MagnaFlow |

#37611249

MagnaFlow 11249 4x9 Inch Oval Center/Center Stainless Muffler

Muffler Type:

Straight-Through

Inlet Diameter:

Outlet Diameter:

$162.00

/each

$245.87

-34%

MagnaFlow |

#37611254

MagnaFlow 11254 4x9 Inch Oval Center/Offset Stainless Muffler

Muffler Type:

Straight-Through

Inlet Diameter:

Outlet Diameter:

$139.00

/each

$210.85

-34%

MagnaFlow |

#37611264

MagnaFlow 11264 4x9 Inch Oval Offset/Offset Stainless Muffler

Muffler Type:

Straight-Through

Inlet Diameter:

Outlet Diameter:

$139.00

/each

$210.85

-34%

MagnaFlow |

#37611378

MagnaFlow 11378 4 Inch x 9 Inch Oval Dual/Dual Stainless Muffler

Muffler Type:

Straight-Through

Inlet Diameter:

2.25"

Outlet Diameter:

2.25"

$170.00

/each

$259.05

-34%

MagnaFlow |

#37612128

MagnaFlow 12128 5x8 Inch Oval Center/Dual Stainless Muffler

Muffler Type:

Straight-Through

Inlet Diameter:

Outlet Diameter:

$154.00

/each

$234.17

-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

-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

Showing 1 - 36 of 251 results

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GMC Sierra Mufflers

Part

Brand

Availability

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Customer Rating

Products

MagnaFlow 11114 3.5x7 Inch Oval Center/Center Stainless Muffler

MagnaFlow 11148 3.5x7 Inch Oval Center/Dual Stainless Muffler

MagnaFlow 11245 4x9 Inch Oval Center/Center Stainless Muffler

MagnaFlow 11249 4x9 Inch Oval Center/Center Stainless Muffler

MagnaFlow 11254 4x9 Inch Oval Center/Offset Stainless Muffler

MagnaFlow 11264 4x9 Inch Oval Offset/Offset Stainless Muffler

MagnaFlow 11378 4 Inch x 9 Inch Oval Dual/Dual Stainless Muffler

MagnaFlow 12128 5x8 Inch Oval Center/Dual Stainless Muffler

MagnaFlow 18129 4 Inch x 18 Inch Glasspack Performance Muffler

MagnaFlow 18144 3.5 Inch x 26 Inch Glasspack Performance Muffler