Smart Mufflers

2018 Smart 4Runner is a wonderful vehicle from the factory. The parts you will find in our catalog will help you bring the best out of your 4Runner. We have 867 Mufflers available for your 2018 4Runner all priced at lowest possible price backed by FREE SHIPPING. 

We price match competitors ... Shop with confidence. 


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Magnaflow 9" Oval Offset/Offset Straight-Through Performance Muffler (2.5" Inlet, 24" Length)
Magnaflow 9" Oval Offset/Offset Straight-Through Performance Muffler (2.5" Inlet, 24" Length)
Universal Part | Part #: 14366

Featuring a free-flowing, straight-through perforated stainless steel core, stainless mesh wraps our acoustic fiber fill to deliver a smooth, deep tone for your custom exhuast project

Highlights: Polished; 4"; 18"; Stainless Steel; 9"; 2.5"; 1; Offset; Straight-Through; 2.5"; 1; Offset; 24"; Oval
Price: $148.96
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Magnaflow 7" Round Center/Center Straight-Through Performance Muffler (4" Inlet, 36" Length)
Magnaflow 7" Round Center/Center Straight-Through Performance Muffler (4" Inlet, 36" Length)
Universal Part | Part #: 14773

Featuring a free-flowing, straight-through perforated stainless steel core, stainless mesh wraps our acoustic fiber fill to deliver a smooth, deep tone for your custom exhuast project

Highlights: Polished; 7"; 30"; Stainless Steel; 7"; 4"; 1; Center; Straight-Through; 4"; 1; Center; 36"; Round
Price: $194.48
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Magnaflow 9" Oval Offset/Offset Straight-Through Performance Muffler (2" Inlet, 20" Length)
Magnaflow 9" Oval Offset/Offset Straight-Through Performance Muffler (2" Inlet, 20" Length)
Universal Part | Part #: 11234

Featuring a free-flowing, straight-through perforated stainless steel core, stainless mesh wraps our acoustic fiber fill to deliver a smooth, deep tone for your custom exhuast project

Highlights: Satin; 4"; 14"; Stainless Steel; 9"; 2"; 1; Offset; Straight-Through; 2"; 1; Offset; 20"; Oval
Price: $124.95
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Magnaflow 6" Round Offset/Offset Straight-Through Performance Muffler (2" Inlet, 20" Length)
Magnaflow 6" Round Offset/Offset Straight-Through Performance Muffler (2" Inlet, 20" Length)
Universal Part | Part #: 12634

Featuring a free-flowing, straight-through perforated stainless steel core, stainless mesh wraps our acoustic fiber fill to deliver a smooth, deep tone for your custom exhuast project

Highlights: Satin; 6"; 14"; Stainless Steel; 6"; 2"; 1; Offset; Straight-Through; 2"; 1; Offset; 20"; Round
Price: $124.95
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Magnaflow 8" Oval Center/Center Straight-Through Performance Muffler (2" Inlet, 20" Length)
Magnaflow 8" Oval Center/Center Straight-Through Performance Muffler (2" Inlet, 20" Length)
Universal Part | Part #: 14214

Featuring a free-flowing, straight-through perforated stainless steel core, stainless mesh wraps our acoustic fiber fill to deliver a smooth, deep tone for your custom exhuast project

Highlights: Polished; 5"; 14"; Stainless Steel; 8"; 2"; 1; Center; Straight-Through; 2"; 1; Center; 20"; Oval
Price: $129.95
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Magnaflow 8" Oval Center/Center Street Performance Muffler w/ Tip (2.25" Inlet, 21" Length)
Magnaflow 8" Oval Center/Center Street Performance Muffler w/ Tip (2.25" Inlet, 21" Length)
Universal Part | Part #: 14814

Complete your custom exhaust with a straight-through design muffler with an integrated welded tip for a finished look and simple installation.

Highlights: Polished; 5"; 14"; Stainless Steel; 8"; 4"; Polished; 3.875"; Stainless Steel; 1; Round; Welded-On;Double Wall;Angle Cut;Folded Edge; 2.25"; 1; Center; Straight-Through; 1; Center; 21"; Oval
Price: $183.95
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aFe MACH Force-Xp 409 Stainless Steel Muffler
aFe MACH Force-Xp 409 Stainless Steel Muffler
Universal Part | Part #: 49M00021

MACH Force-Xp 409 Stainless Steel Muffler 2-1/2 IN ID Center/Center 18 IN L x 6 IN Dia - Round Body

Highlights: 409 Stainless Steel; 18"; 2.5"; 2.5"; Center; 2.5"; Center; Single; Round; 1; 2 Years Manufacturer Warranty
Price: $159.60
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aFe MACH Force-Xp 409 Stainless Steel Muffler
aFe MACH Force-Xp 409 Stainless Steel Muffler
Universal Part | Part #: 49M00017

MACH Force-Xp 409 Stainless Steel Muffler 3 IN ID Center/Offset x 9 IN W x 4 IN H x 22 IN L - Oval Body

Highlights: Natural; Stainless Steel; 4"; 22"; Stainless Steel; 9"; Clamp-On; 3"; Center; Single Center; 3"; 3"; Offset; Single Offset; Rectangular; 2 Years Manufacturer Warranty
Price: $177.45
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Magnaflow 8" Oval Center/Offset Straight-Through Performance Muffler (2" Inlet, 24" Length)
Magnaflow 8" Oval Center/Offset Straight-Through Performance Muffler (2" Inlet, 24" Length)
Universal Part | Part #: 12254

Featuring a free-flowing, straight-through perforated stainless steel core, stainless mesh wraps our acoustic fiber fill to deliver a smooth, deep tone for your custom exhuast project

Highlights: Satin; 5"; 18"; Stainless Steel; 8"; 2"; 1; Center; Straight-Through; 2"; 1; Offset; 24"; Oval
Price: $139.00
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Magnaflow 8" Oval Single/Dual Straight-Through Performance Muffler (2.5" Inlet, 24" Length)
Magnaflow 8" Oval Single/Dual Straight-Through Performance Muffler (2.5" Inlet, 24" Length)
Universal Part | Part #: 12258

Featuring a free-flowing, straight-through perforated stainless steel core, stainless mesh wraps our acoustic fiber fill to deliver a smooth, deep tone for your custom exhuast project

Highlights: Satin; 5"; 18"; Stainless Steel; 8"; 2.5"; 1; Center; Straight-Through; 2.25"; 2; Dual; 24"; Oval
Price: $164.00
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Kooks 3" Oval Offset/Offset (Same Side) Muffler 14" Long Body
Kooks 3" Oval Offset/Offset (Same Side) Muffler 14" Long Body
Universal Part | Part #: MUF-014
Highlights: No; Race Car; Stainless Steel; No; Natural; Performance; 3"; Oval; 1; No; 3"; Universal; 14"; Stainless Steel; Single Offset Inlet; Single Offset Outlet; 18"; 5.28"; 8.3"; Offset; Offset; Offset; Yes; No
Price: $309.95
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Magnaflow 6" Round Center/Center Street Performance Muffler w/ Tip (2.25" Inlet, 20.5" Length)
Magnaflow 6" Round Center/Center Street Performance Muffler w/ Tip (2.25" Inlet, 20.5" Length)
Universal Part | Part #: 14820

Complete your custom exhaust with a straight-through design muffler with an integrated welded tip for a finished look and simple installation.

Highlights: Polished; 6"; 14"; Stainless Steel; 6"; 4"; Polished; 3.5"; Stainless Steel; 1; Round; Welded-On;Single Wall;Straight Cut;Cut Edge; 2.25"; 1; Center; Straight-Through; 1; Center; 20.5"; Round
Price: $163.95
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aFe MACH Force-Xp 409 Stainless Steel Muffler
aFe MACH Force-Xp 409 Stainless Steel Muffler
Universal Part | Part #: 49M00019

MACH Force-Xp 409 Stainless Steel Muffler 2-1/2 IN ID Center/Offset x 9 IN W x 4 IN H x 18 IN L - Oval Body

Highlights: Natural; Stainless Steel; 4"; 18"; Stainless Steel; 9"; Clamp-On; 2.5"; Center; Single Center; 2"; 2.5"; Offset; Single Offset; Rectangular; 2 Years Manufacturer Warranty
Price: $159.60
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aFe MACH Force-Xp 409 Stainless Steel Muffler
aFe MACH Force-Xp 409 Stainless Steel Muffler
Universal Part | Part #: 49M00020

MACH Force-Xp 409 Stainless Steel Muffler 3 IN ID Center/Offset x 9 IN W x 4 IN H x 18 IN L- Oval Body

Highlights: Natural; Stainless Steel; 4"; 18"; Stainless Steel; 9"; Clamp-On; 3"; Center; Single Center; 3"; 3"; Offset; Single Offset; Rectangular; 2 Years Manufacturer Warranty
Price: $159.60
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Magnaflow 8" Oval Offset/Offset Straight-Through Performance Muffler (2.5" Inlet, 30" Length)
Magnaflow 8" Oval Offset/Offset Straight-Through Performance Muffler (2.5" Inlet, 30" Length)
Universal Part | Part #: 14260

Featuring a free-flowing, straight-through perforated stainless steel core, stainless mesh wraps our acoustic fiber fill to deliver a smooth, deep tone for your custom exhuast project

Highlights: Polished; 5"; 24"; Stainless Steel; 8"; 2.5"; 1; Offset; Straight-Through; 2.5"; 1; Offset; 30"; Oval
Price: $220.00
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Magnaflow 9" Oval Center/Offset Straight-Through Performance Muffler (3" Inlet, 24" Length)
Magnaflow 9" Oval Center/Offset Straight-Through Performance Muffler (3" Inlet, 24" Length)
Universal Part | Part #: 14359

Featuring a free-flowing, straight-through perforated stainless steel core, stainless mesh wraps our acoustic fiber fill to deliver a smooth, deep tone for your custom exhuast project

Highlights: Polished; 4"; 18"; Stainless Steel; 9"; 3"; 1; Center; Straight-Through; 3"; 1; Offset; 24"; Oval
Price: $162.36
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aFe MACH Force-Xp 409 Stainless Steel Muffler w/ High-Temp Metallic Black finish
aFe MACH Force-Xp 409 Stainless Steel Muffler w/ High-Temp Metallic Black finish
Universal Part | Part #: 49M00007-B

MACH Force-Xp 409 Stainless Steel Muffler w/ High-Temp Metallic Black finish 2-1/2 IN ID Inlet & Outlet Center/Center 14 IN L x 6 IN Dia.

Highlights: Stainless Steel; 14"; 2.5"; 2.5"; Center; 2.5"; Center; Single Center; Round; 1; 2 Years Manufacturer Warranty
Price: $215.25
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Borla CrateMuffler For Small Block Chevy Stock Output 283/ 327/ 350 V8
Borla CrateMuffler For Small Block Chevy Stock Output 283/ 327/ 350 V8
Universal Part | Part #: 400822
Highlights: S-Type; OEM; 14"; OEM; All Welded; Pipe; 2.5"; Offset; OEM; 2.5"; T-304 Stainless Steel; No; 2.5"; Offset; OEM; 19"; Oval
Price: $288.95
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Showing 757 to 774 of 867 (49 Pages)
Showing 757 to 774 of 867 (49 Pages)
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