GMC Mufflers

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-33%

MagnaFlow |

#37612635

MagnaFlow 12635 6x6 Inch Round Offset/Offset Stainless Muffler

Muffler Type:

Straight-Through

Inlet Diameter:

2.25"

Outlet Diameter:

2.25"

$130.00

/each

$196.64

-34%

MagnaFlow |

#37612646

MagnaFlow 12646 6x6 Inch Round Center/Center Stainless Muffler

Muffler Type:

Straight-Through

Inlet Diameter:

2.5"

Outlet Diameter:

2.5"

$146.00

/each

$221.35

-34%

MagnaFlow |

#37612649

MagnaFlow 12649 6x6 Inch Round Center/Center Stainless Muffler

Muffler Type:

Straight-Through

Inlet Diameter:

Outlet Diameter:

$162.00

/each

$245.87

-33%

MagnaFlow |

#37611375

MagnaFlow 11375 4x9 Inch Oval Offset/Offset Stainless Muffler

Muffler Type:

Straight-Through

Inlet Diameter:

2.25"

Outlet Diameter:

2.25"

$130.00

/each

$196.64

-33%

MagnaFlow |

#37612216

MagnaFlow 12216 5x8 Inch Oval Center/Center Stainless Muffler

Muffler Type:

Straight-Through

Inlet Diameter:

2.5"

Outlet Diameter:

2.5"

$130.00

/each

$196.64

-33%

MagnaFlow |

#37611236

MagnaFlow 11236 4x9 Inch Oval Offset/Offset Stainless Muffler

Muffler Type:

Straight-Through

Inlet Diameter:

2.5"

Outlet Diameter:

2.5"

$130.00

/each

$196.64

-34%

MagnaFlow |

#37611266

MagnaFlow 11266 4x9 Inch Oval Offset/Offset Stainless Muffler

Muffler Type:

Straight-Through

Inlet Diameter:

2.5"

Outlet Diameter:

2.5"

$146.00

/each

$221.39

Flowtech 50231FLT Purple Hornies 3-Hole Turnout Header Muffler

Flowtech Exhaust |

#42550231FLT

Flowtech 50231FLT Purple Hornies 3-Hole Turnout Header Muffler

(1)

Muffler Type:

Glass Pack

Inlet Diameter:

Outlet Diameter:

$44.95

/each

-20%

Vibrant |

#32111106

Vibrant 1106 Streetpower 20" Stainless Steel Universal Muffler

Muffler Type:

Straight-Through

Inlet Diameter:

2.5"

Outlet Diameter:

2.5"

$149.99

/each

$187.99

-9%

JBA 40-251800 Straight-Through Muffler, 2-1/2 Inch

JBA Headers |

#44740251800

JBA 40-251800 Straight-Through Muffler, 2-1/2 Inch

Muffler Type:

Chambered

Inlet Diameter:

2.5"

Outlet Diameter:

2.5"

$192.15

/each

$211.37

-34%

MagnaFlow |

#37610434

MagnaFlow 10434 4x4 Inch Round Center/Center Stainless Muffler

Muffler Type:

Straight-Through

Inlet Diameter:

Outlet Diameter:

$128.00

/each

$195.01

$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

-34%

MagnaFlow |

#37612577

MagnaFlow 12577 5x11 Inch Oval Offset/Offset Stainless Muffler

Muffler Type:

Straight-Through

Inlet Diameter:

2.5"

Outlet Diameter:

2.5"

$180.00

/each

$273.68

New Product

MagnaFlow |

#37613125

MagnaFlow 13125 Redpack 3.5" x 18" Round Glasspack Perf. Muffler

Muffler Type:

Glass Pack

Material Type:

Steel

$48.00

/each

New Product

MagnaFlow |

#37613129

MagnaFlow 13129 Redpack 4" x 18" Round Glasspack Perf. Muffler

Muffler Type:

Glass Pack

Material Type:

Steel

$68.00

/each

-33%

MagnaFlow |

#37613134

MagnaFlow 13134 3.5x22 Inch Red Glasspack Performance Muffler

Muffler Type:

Glass Pack

Inlet Diameter:

Outlet Diameter:

$58.00

/each

$87.08

Hedman Hedders |

#41825580

Hedman Hedders 25580 Muffler Turbo Muffler 2-1/2

Muffler Type:

Turbo

Inlet Diameter:

2.5"

Outlet Diameter:

2.5"

$101.99

/each

-9%

Patriot Exhaust |

#447H3013

Patriot Exhaust H3013 Muffler Smithy, 22 Inch, 2-1/4 Inch Inlet/Outlet

(2)

Muffler Type:

Glass Pack

Inlet Diameter:

2.25"

Outlet Diameter:

2.25"

$96.62

/each

$106.28

Flowmaster |

#37815150S

Flowmaster 15150S Resonator, 2.50 In/Out

GTIN Code:

700042024827

$124.95

/kit

-10%

Borla |

#21540085

Borla 40085 XR-1® Sportsman Muffler, 3 Inch Centered In/Out

Muffler Type:

Straight-Through

Inlet Diameter:

Outlet Diameter:

$146.99

/each

$163.99

-9%

Flowmaster |

#37843041

Flowmaster 43041 40 Series 3 In. Muffler, Offset Inlet-Centered Outlet

(1)

Inlet Diameter:

Outlet Diameter:

$101.95

/each

$112.95

-11%

Flowmaster |

#3788425154

Flowmaster 8425154 Super 10 Series Muffler, 2.50 In/Out

Inlet Diameter:

2.5"

Outlet Diameter:

2.5"

$101.95

/each

$114.95

-7%

Flowmaster |

#378854040-10

Flowmaster 854040-10 Delta Force 40 Series Race Muffler, 4 In/Out

Muffler Type:

Chambered

Inlet Diameter:

Outlet Diameter:

$278.95

/each

$302.95

-11%

Flowmaster |

#3789425400

Flowmaster 9425400 40 Series Delta Flow Muffler, 2.50 In/Out

Muffler Type:

Chambered

Inlet Diameter:

2.5"

Outlet Diameter:

2.5"

$149.95

/each

$168.95

-11%

Flowmaster |

#378942551

Flowmaster 942551 50 Series Delta Flow Muffler, 2.50 In/Out

(2)

Muffler Type:

Chambered

Inlet Diameter:

2.5"

Outlet Diameter:

2.5"

$173.95

/each

$195.95

-11%

Flowmaster |

#378952446

Flowmaster 952446 Super 40 Muffler-Offset Inlet-Centered Outlet, 2-1/4

Muffler Type:

Chambered

Inlet Diameter:

2.25"

Outlet Diameter:

2.25"

$152.95

/each

$172.95

Dynatech |

#31177614352

Dynatech® 776-14352 Oval Split Flow Mufflers, 3-1/2"

(1)

Inlet Diameter:

3.5"

Outlet Diameter:

3.5"

$151.99

/each

-11%

Flowmaster |

#378530722

Flowmaster 530722 70 Series Big Block II Muffler, 3.00 In/Out

Muffler Type:

Chambered

Inlet Diameter:

Outlet Diameter:

2.25"

$249.95

/each

$281.95

-9%

Patriot Exhaust |

#91013105

Patriot Exhaust H3805 Glasspack Header Muffler, 3-1/2 In/2 Out, EA

(1)

Inlet Diameter:

3.5"

Outlet Diameter:

$102.10

/each

$112.31

-11%

Flowmaster |

#3788430502

Flowmaster 8430502 50 Series Delta Flow Muffler 3.00 In/ 2.50 Out

Muffler Type:

Chambered

Inlet Diameter:

Outlet Diameter:

2.5"

$188.95

/each

$212.95

-8%

Flowmaster |

#3788435409

Flowmaster 8435409 Delta Force 40 Series Race Muffler 3.50 In/Out

Muffler Type:

Chambered

Inlet Diameter:

3.5"

Outlet Diameter:

3.5"

$199.95

/each

$218.95

-10%

Borla |

#21540842S

Borla® 40842S S-Type Muffler, Round, 2.5 Inch Inlet/Outlet

Muffler Type:

Straight-Through

Inlet Diameter:

2.5"

Outlet Diameter:

2.5"

$193.99

/each

$216.99

DEI 10529 Muffler Shield Kit, 42 X 24 Inch

DEI |

#35610455

DEI 10529 Muffler Shield Kit, 42 X 24 Inch

(14)

Overall Width:

24.00"

Sold in Quantity:

Each

$58.99

/each

Flowmaster |

#37871236

Flowmaster 71236 FlowFX Muffler 2.50 Offset In, 2.50 Offset Out

(4)

Muffler Type:

Perforated Tube w/Packing

Inlet Diameter:

2.5"

Outlet Diameter:

2.5"

$99.95

/each

Dynatech |

#31177606352

Dynatech® 776-06352 Split Flow Race Muffler

Inlet Diameter:

3.5"

Outlet Diameter:

3.5"

$129.99

/each

Flowmaster |

#37871229

Flowmaster 71229 FlowFX Muffler 3.00 Offset In, 3.00 Center Out

(3)

Muffler Type:

Perforated Tube w/Packing

Inlet Diameter:

Outlet Diameter:

$109.95

/each

Showing 1 - 216 of 511 results

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GMC Mufflers

Model

Part

Brand

Application

Department

Availability

Discounts

Price

Customer Rating

Products

MagnaFlow 12635 6x6 Inch Round Offset/Offset Stainless Muffler

MagnaFlow 12646 6x6 Inch Round Center/Center Stainless Muffler

MagnaFlow 12649 6x6 Inch Round Center/Center Stainless Muffler

MagnaFlow 11375 4x9 Inch Oval Offset/Offset Stainless Muffler

MagnaFlow 12216 5x8 Inch Oval Center/Center Stainless Muffler

MagnaFlow 11236 4x9 Inch Oval Offset/Offset Stainless Muffler

MagnaFlow 11266 4x9 Inch Oval Offset/Offset Stainless Muffler

Flowtech 50231FLT Purple Hornies 3-Hole Turnout Header Muffler

Vibrant 1106 Streetpower 20" Stainless Steel Universal Muffler

JBA 40-251800 Straight-Through Muffler, 2-1/2 Inch

MagnaFlow 10434 4x4 Inch Round Center/Center Stainless Muffler

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

MagnaFlow 12577 5x11 Inch Oval Offset/Offset Stainless Muffler

MagnaFlow 13125 Redpack 3.5" x 18" Round Glasspack Perf. Muffler

MagnaFlow 13129 Redpack 4" x 18" Round Glasspack Perf. Muffler

MagnaFlow 13134 3.5x22 Inch Red Glasspack Performance Muffler

Hedman Hedders 25580 Muffler Turbo Muffler 2-1/2

Patriot Exhaust H3013 Muffler Smithy, 22 Inch, 2-1/4 Inch Inlet/Outlet

Flowmaster 15150S Resonator, 2.50 In/Out

Borla 40085 XR-1® Sportsman Muffler, 3 Inch Centered In/Out

Flowmaster 43041 40 Series 3 In. Muffler, Offset Inlet-Centered Outlet

Flowmaster 8425154 Super 10 Series Muffler, 2.50 In/Out

Flowmaster 854040-10 Delta Force 40 Series Race Muffler, 4 In/Out

Flowmaster 9425400 40 Series Delta Flow Muffler, 2.50 In/Out

Flowmaster 942551 50 Series Delta Flow Muffler, 2.50 In/Out

Flowmaster 952446 Super 40 Muffler-Offset Inlet-Centered Outlet, 2-1/4

Dynatech® 776-14352 Oval Split Flow Mufflers, 3-1/2"

Flowmaster 530722 70 Series Big Block II Muffler, 3.00 In/Out

Patriot Exhaust H3805 Glasspack Header Muffler, 3-1/2 In/2 Out, EA

Flowmaster 8430502 50 Series Delta Flow Muffler 3.00 In/ 2.50 Out

Flowmaster 8435409 Delta Force 40 Series Race Muffler 3.50 In/Out

Borla® 40842S S-Type Muffler, Round, 2.5 Inch Inlet/Outlet

DEI 10529 Muffler Shield Kit, 42 X 24 Inch

Flowmaster 71236 FlowFX Muffler 2.50 Offset In, 2.50 Offset Out

Dynatech® 776-06352 Split Flow Race Muffler

Flowmaster 71229 FlowFX Muffler 3.00 Offset In, 3.00 Center Out

Models: