Willys Custom Mufflers

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$139 Off

MagnaFlow |

#37612594

MagnaFlow 12594 5x11 Inch Oval Center/Dual Stainless Muffler

Muffler Type:

Straight-Through

Inlet Diameter:

Outlet Diameter:

$268.00

/each

$407.32

$161 Off

MagnaFlow |

#37612595

MagnaFlow 12595 5x11 Inch Oval Center/Dual Stainless Muffler

Muffler Type:

Straight-Through

Inlet Diameter:

3.5"

Outlet Diameter:

$309.00

/each

$470.37

-33%

MagnaFlow |

#37612616

MagnaFlow 12616 6x6 Inch Round Center/Center Stainless Muffler

Muffler Type:

Straight-Through

Inlet Diameter:

2.5"

Outlet Diameter:

2.5"

$130.00

/each

$196.64

-34%

MagnaFlow |

#37612634

MagnaFlow 12634 6x6 Inch Round Offset/Offset Stainless Muffler

Muffler Type:

Straight-Through

Inlet Diameter:

Outlet Diameter:

$123.00

/each

$187.28

-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

$120 Off

MagnaFlow |

#37612763

MagnaFlow 12763 7x7 Inch Round Center/Dual Stainless Muffler

Muffler Type:

Straight-Through

Inlet Diameter:

Outlet Diameter:

2.5"

$230.00

/each

$350.03

-34%

MagnaFlow |

#37612770

MagnaFlow 12770 7x7 Inch Round Center/Center Stainless Muffler

Muffler Type:

Straight-Through

Inlet Diameter:

Outlet Diameter:

$173.00

/each

$262.23

$105 Off

MagnaFlow |

#37612771

MagnaFlow 12771 7x7 Inch Round Center/Center Stainless Muffler

Muffler Type:

Straight-Through

Inlet Diameter:

Outlet Diameter:

$203.00

/each

$308.14

$112 Off

MagnaFlow |

#37612773

MagnaFlow 12773 7x7 Inch Round Center/Center Stainless Muffler

Muffler Type:

Straight-Through

Inlet Diameter:

Outlet Diameter:

$216.00

/each

$327.98

$140 Off

MagnaFlow |

#37612774

MagnaFlow 12774 7x7 Inch Round Center/Center Stainless Muffler

Muffler Type:

Straight-Through

Inlet Diameter:

Outlet Diameter:

$270.00

/each

$410.25

$118 Off

MagnaFlow |

#37612776

MagnaFlow 12776 7x7 Inch Round Center/Center Stainless Muffler

Muffler Type:

Straight-Through

Inlet Diameter:

Outlet Diameter:

$226.00

/each

$343.76

-34%

MagnaFlow |

#37612865

MagnaFlow 12865 5x5 Inch Round Center/Center Stainless Muffler

Muffler Type:

Straight-Through

Inlet Diameter:

2.25"

Outlet Diameter:

2.25"

$144.00

/each

$218.82

-20%

Vibrant |

#32111103

Vibrant 1103 Streetpower 20" Stainless Steel Universal Muffler

Muffler Type:

Straight-Through

Inlet Diameter:

Outlet Diameter:

$159.99

/each

$199.99

DEI 10226 Adapt-A-Shield XT - 12" x 17-1/2"

DEI |

#35610226

DEI 10226 Adapt-A-Shield XT - 12" x 17-1/2"

Overall Width:

17.5"

Sold in Quantity:

Each

$24.99

/each

DEi 010451 Titanium Exhaust Pipe Heat Shield, 6 Inch x 2 Ft.

DEI |

#35610451

DEi 010451 Titanium Exhaust Pipe Heat Shield, 6 Inch x 2 Ft.

(4)

GTIN Code:

607078104519

$61.99

/each

DEi 010452 Titanium Exhaust Pipe Heat Shield, 6 Inch x 3 Ft.

DEI |

#35610452

DEi 010452 Titanium Exhaust Pipe Heat Shield, 6 Inch x 3 Ft.

GTIN Code:

607078104526

$81.99

/each

-10%

Moroso |

#54594055

Moroso 94055 Spiral Flow Auger Muffler, 3 Inch Stainless Steel

Inlet Diameter:

Outlet Diameter:

$165.99

/each

$185.41

Muffler Inserts for 3.5 x 20 Inch Header Collector Extensions

Speedway Motors |

#91013102

Muffler Inserts for 3.5 x 20 Inch Header Collector Extensions

(63)

Material Type:

Steel

Sold in Quantity:

Pair

$54.99

/pair

-9%

Patriot Exhaust |

#91013103

Patriot Exhaust H3800 Glasspack Header Muffler, 2-1/2 In/2 Out, EA

(9)

Inlet Diameter:

2.5"

Outlet Diameter:

$92.79

/each

$102.07

-9%

Patriot Exhaust |

#91013104

Patriot Exhaust H3801 Glasspack Header Muffler, 3 In/2 Out, EA

(1)

Inlet Diameter:

Outlet Diameter:

$94.39

/each

$103.83

-16%

BBK 31015 Varitune Adjustable Muffler Double Offset, Stainless

BBK Performance |

#58531015

BBK 31015 Varitune Adjustable Muffler Double Offset, Stainless

Muffler Type:

Multi-Chamber

Sold in Quantity:

Each

$149.99

/each

$179.99

-10%

Borla |

#21540358

Borla® 40358 ProXS™ Muffler, 2.5 Center In/Offset Out

Muffler Type:

Straight-Through

Inlet Diameter:

2.5"

Outlet Diameter:

2.5"

$129.99

/each

$144.99

-10%

Borla |

#21540359

Borla® 40359 ProXS™ Muffler, 3 In Center In/Offset Out

(3)

Muffler Type:

Straight-Through

Inlet Diameter:

Outlet Diameter:

$128.99

/each

$143.99

-34%

MagnaFlow |

#37612866

MagnaFlow 12866 5x5 Inch Round Center/Center Stainless Muffler

Muffler Type:

Straight-Through

Inlet Diameter:

2.5"

Outlet Diameter:

2.5"

$151.00

/each

$229.77

-34%

MagnaFlow |

#37612867

MagnaFlow 12867 5x5 Inch Round Center/Center Stainless Muffler

Muffler Type:

Straight-Through

Inlet Diameter:

Outlet Diameter:

$161.00

/each

$245.39

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

-34%

MagnaFlow |

#37613236

MagnaFlow 13236 4x9 Inch Oval Offset/Offset Chambered Muffler

Muffler Type:

Multi-Chamber

Inlet Diameter:

2.5"

Outlet Diameter:

2.5"

$150.00

/each

$227.30

-34%

MagnaFlow |

#37613239

MagnaFlow 13239 4x9 Inch Oval Offset/Offset Chambered Muffler

Muffler Type:

Multi-Chamber

Inlet Diameter:

Outlet Diameter:

$153.00

/each

$232.60

-34%

MagnaFlow |

#37613265

MagnaFlow 13265 4x9 Inch Oval Offset/Offset Chambered Muffler

Muffler Type:

Multi-Chamber

Inlet Diameter:

2.25"

Outlet Diameter:

2.25"

$159.00

/each

$241.35

-34%

MagnaFlow |

#37613266

MagnaFlow 13266 4x9 Inch Oval Offset/Offset Chambered Muffler

Muffler Type:

Multi-Chamber

Inlet Diameter:

2.5"

Outlet Diameter:

2.5"

$159.00

/each

$241.35

-34%

MagnaFlow |

#37613269

MagnaFlow 13269 4x9 Inch Oval Offset/Offset Chambered Muffler

Muffler Type:

Multi-Chamber

Inlet Diameter:

Outlet Diameter:

$162.00

/each

$245.61

-34%

MagnaFlow |

#37612219

MagnaFlow 12219 5x8 Inch Oval Center/Center Stainless Muffler

Muffler Type:

Straight-Through

Inlet Diameter:

Outlet Diameter:

$146.00

/each

$221.39

-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

Showing 1 - 108 of 424 results

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Willys Custom Mufflers

Part

Brand

Availability

Discounts

Price

Customer Rating

Products

MagnaFlow 12594 5x11 Inch Oval Center/Dual Stainless Muffler

MagnaFlow 12595 5x11 Inch Oval Center/Dual Stainless Muffler

MagnaFlow 12616 6x6 Inch Round Center/Center Stainless Muffler

MagnaFlow 12634 6x6 Inch Round Offset/Offset Stainless Muffler

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 12763 7x7 Inch Round Center/Dual Stainless Muffler

MagnaFlow 12770 7x7 Inch Round Center/Center Stainless Muffler

MagnaFlow 12771 7x7 Inch Round Center/Center Stainless Muffler

MagnaFlow 12773 7x7 Inch Round Center/Center Stainless Muffler

MagnaFlow 12774 7x7 Inch Round Center/Center Stainless Muffler

MagnaFlow 12776 7x7 Inch Round Center/Center Stainless Muffler

MagnaFlow 12865 5x5 Inch Round Center/Center Stainless Muffler

Vibrant 1103 Streetpower 20" Stainless Steel Universal Muffler

DEI 10226 Adapt-A-Shield XT - 12" x 17-1/2"

DEi 010451 Titanium Exhaust Pipe Heat Shield, 6 Inch x 2 Ft.

DEi 010452 Titanium Exhaust Pipe Heat Shield, 6 Inch x 3 Ft.

Moroso 94055 Spiral Flow Auger Muffler, 3 Inch Stainless Steel

Muffler Inserts for 3.5 x 20 Inch Header Collector Extensions

Patriot Exhaust H3800 Glasspack Header Muffler, 2-1/2 In/2 Out, EA

Patriot Exhaust H3801 Glasspack Header Muffler, 3 In/2 Out, EA

BBK 31015 Varitune Adjustable Muffler Double Offset, Stainless

Borla® 40358 ProXS™ Muffler, 2.5 Center In/Offset Out

Borla® 40359 ProXS™ Muffler, 3 In Center In/Offset Out

MagnaFlow 12866 5x5 Inch Round Center/Center Stainless Muffler

MagnaFlow 12867 5x5 Inch Round Center/Center Stainless Muffler

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

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

MagnaFlow 13236 4x9 Inch Oval Offset/Offset Chambered Muffler

MagnaFlow 13239 4x9 Inch Oval Offset/Offset Chambered Muffler

MagnaFlow 13265 4x9 Inch Oval Offset/Offset Chambered Muffler

MagnaFlow 13266 4x9 Inch Oval Offset/Offset Chambered Muffler

MagnaFlow 13269 4x9 Inch Oval Offset/Offset Chambered Muffler

MagnaFlow 12219 5x8 Inch Oval Center/Center Stainless Muffler

MagnaFlow 12225 5x8 Inch Oval Center/Offset Stainless Muffler