1991 Toyota 4Runner Mufflers

1991 Toyota 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 1991 4Runner all priced at lowest possible price backed by FREE SHIPPING. 

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Spec-D Tuning 60mm Catback Exhaust Gasket
Spec-D Tuning 60mm Catback Exhaust Gasket
Universal Part | Part #: FLD-001

CATBACK EXHAUST GASKET 60MM

Highlights: 60mm
Price: $24.95
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Flowmaster 40 Delta Flow Muffler - 2.50 Center In / 2.50 Center Out - Aggressive Sound
Flowmaster 40 Delta Flow Muffler - 2.50 Center In / 2.50 Center Out - Aggressive Sound
Universal Part | Part #: 942540
Highlights: Gray; Aluminized Steel; 90 Months; Durable fully welded 16 gauge aluminized steel; No internal packing to blowout; Excellent Street/Strip and Off Road application; Race proven patented Delta Flow technology; 2.5; 4; 13; Aluminized Steel; 9.8; 9.75; Pipe Connection; 2.5; 2.5; Center; Center; Uses New Hangers (Not Included); Reflection; Pipe Connection; 2.5; 2.5; Center; Center; 19; Oval; Aggressive Sound
Price: $153.95
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Flowmaster 40 Delta Flow Muffler - 3.00 Center In / 3.00 Center Out - Aggressive Sound
Flowmaster 40 Delta Flow Muffler - 3.00 Center In / 3.00 Center Out - Aggressive Sound
Universal Part | Part #: 943040
Highlights: Gray; Aluminized Steel; 90 Months; Durable fully welded 16 gauge aluminized steel; No internal packing to blowout; Excellent Street/Strip and Off Road application; Race proven patented Delta Flow technology; 3; 4; 13; Aluminized Steel; 9.8; 9.75; Pipe Connection; 3; 3; Center; Center; Uses New Hangers (Not Included); Reflection; Pipe Connection; 3; 3; Center; Center; 19; Oval; Aggressive Sound
Price: $153.95
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Spec-D Tuning 63mm Catback Exhaust Gasket
Spec-D Tuning 63mm Catback Exhaust Gasket
Universal Part | Part #: FLD-002

CATBACK EXHAUST GASKET 63MM

Highlights: 63mm
Price: $23.95
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Flowmaster 40 Series Muffler 409S - 2.25 Offset In / 2.25 Center Out - Aggressive Sound
Flowmaster 40 Series Muffler 409S - 2.25 Offset In / 2.25 Center Out - Aggressive Sound
Universal Part | Part #: 8042441
Highlights: Gray; Stainless Steel; Lifetime Limited Warranty; Durable fully welded 409 stainless steel; Excellent Street/Strip and Off Road application; Noticeable Interior Resonance; Aggressive Sound Exterior Exhaust Tone; 9.75; 4; 13; Stainless Steel; 9.8; 9.75; Pipe Connection; 2.25; 2.25; Offset; Uses New Hangers (Not Included); Reflection; Pipe Connection; 2.25; 2.3; Center; Center; 19; Oval; Aggressive Sound
Price: $135.95
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Flowmaster Super HP-2 Muffler 304S - 2.50 Center In./2.50 Center Out - Moderate Sound
Flowmaster Super HP-2 Muffler 304S - 2.50 Center In./2.50 Center Out - Moderate Sound
Universal Part | Part #: 12518304

Universal Muffler - Not a direct fit. Some adaptation required.

Highlights: Stainless Steel; Lifetime Limited Warranty; Stainless Steel Construction; Lifetime Limited Warranty; Patented Laminar Flow Technology; Dyno Tuned For Maximum Performance; 4; 18; 5; 5; 2.5; 2.5; Center; Center; 2.5; 2.5; Center; Center; Oval; Moderate Sound
Price: $256.95
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Flowmaster 40 Delta Flow Muffler - 3.00 Center In / 3.00 Offset Out - Aggressive Sound
Flowmaster 40 Delta Flow Muffler - 3.00 Center In / 3.00 Offset Out - Aggressive Sound
Universal Part | Part #: 943042
Highlights: Gray; Aluminized Steel; 90 Months; Durable fully welded 16 gauge aluminized steel; No internal packing to blowout; Excellent Street/Strip and Off Road application; Race proven patented Delta Flow technology; 3; 4; 13; Aluminized Steel; 9.8; 9.75; Pipe Connection; 3; 3; Center; Center; Uses New Hangers (Not Included); Reflection; Pipe Connection; 3; 3; Offset; 19; Oval; Aggressive Sound
Price: $153.95
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Flowmaster 40 Delta Flow Muffler - 2.50 Offset In / 2.50 Offset Out - Aggressive Sound
Flowmaster 40 Delta Flow Muffler - 2.50 Offset In / 2.50 Offset Out - Aggressive Sound
Universal Part | Part #: 942543
Highlights: Gray; Aluminized Steel; 90 Months; Durable fully welded 16 gauge aluminized steel; No internal packing to blowout; Excellent Street/Strip and Off Road application; Race proven patented Delta Flow technology; 2.5; 4; 13; Aluminized Steel; 9.8; 9.75; Pipe Connection; 2.5; 2.5; Offset; Uses New Hangers (Not Included); Reflection; Pipe Connection; 2.5; 2.5; Offset; 19; Oval; Aggressive Sound
Price: $153.95
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Spec-D Tuning 3" Inlet 310 Style Spiral Muffler
Spec-D Tuning 3" Inlet 310 Style Spiral Muffler
Universal Part | Part #: MF-SS3103

310 STYLE SPIRAL MUFFLER 3 INCH INLET

Price: $44.95
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Magnaflow 8" Oval Single/Dual Street Performance Muffler w/ Tip (2.25" Inlet, 24.375" Length)
Magnaflow 8" Oval Single/Dual Street Performance Muffler w/ Tip (2.25" Inlet, 24.375" Length)
Universal Part | Part #: 14815

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"; 3"; Polished; 7.375"; Stainless Steel; 2; Round; Welded-On;Double Wall;Straight Cut;Folded Edge; 2.25"; 1; Center; Straight-Through; 2; Dual; 24.375"; Oval
Price: $331.00
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Flowmaster Pro Series Muffler - 3.00 Center In / 3.00 Center Out - Moderate Sound
Flowmaster Pro Series Muffler - 3.00 Center In / 3.00 Center Out - Moderate Sound
Universal Part | Part #: 13016100
Highlights: Black; Stainless Steel; Lifetime Limited Warranty; Durable fully welded 16 gauge stainless steel case; High horsepower apps include diesels/RVs/trucks; Race Proven Design; 409 Stainless Steel Internal Construction; 6; 16; Stainless Steel; 6; 6; 3; 3; Center; Center; 3; 3; Center; Center; Round Case; Moderate Sound
Price: $277.95
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Flowmaster Super HP-2 Muffler 409S - 2.25 Center In./2.25 Center Out - Aggressive Sound
Flowmaster Super HP-2 Muffler 409S - 2.25 Center In./2.25 Center Out - Aggressive Sound
Universal Part | Part #: 12412409

Universal Muffler - Not a direct fit. Some adaptation required.

Highlights: Stainless Steel; Lifetime Limited Warranty; Stainless Steel Construction; Lifetime Limited Warranty; Patented Laminar Flow Technology; Dyno Tuned For Maximum Performance; 4; 12; Stainless Steel; 5; 5; 2.25; 2.25; Center; Center; 2.25; 2.3; Center; Center; Oval; Aggressive Sound
Price: $169.95
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Flowmaster Super 40 Muffler - 3.00 Offset In / 3.00 Same Side Out - Aggressive Sound
Flowmaster Super 40 Muffler - 3.00 Offset In / 3.00 Same Side Out - Aggressive Sound
Universal Part | Part #: 953049
Highlights: Black; Aluminized Steel; 90 Months; Deep Aggressive Sound Exhaust Note; Race proven patented Delta Flow technology; Excellent performance on high horsepower vehicles; Noticeable interior resonance; 10; 5; 13.5; Aluminized Steel; 10; 10; Pipe Connection; 3; 3; Offset; Uses New Hangers (Not Included); Reflection; Pipe Connection; 3; 3; Same Side; 19.5; Oval; Aggressive Sound
Price: $152.95
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Flowmaster 40 Series Muffler 409S - 3.00 Offset In / 3.00 Offset Out - Aggressive Sound
Flowmaster 40 Series Muffler 409S - 3.00 Offset In / 3.00 Offset Out - Aggressive Sound
Universal Part | Part #: 8043043
Highlights: Gray; Stainless Steel; Lifetime Limited Warranty; Durable fully welded 409 stainless steel; Excellent Street/Strip and Off Road application; Noticeable interior resonance; Aggressive Sound Exterior Exhaust Tone; 9.75; 4; 13; Stainless Steel; 9.8; 9.75; Pipe Connection; 3; 3; Offset; Uses New Hangers (Not Included); Reflection; Pipe Connection; 3; 3; Offset; 19; Oval; Aggressive Sound
Price: $138.95
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Flowmaster 50 Delta Flow Muffler - 3.00 Center In / 2.25 Dual Out - Moderate Sound
Flowmaster 50 Delta Flow Muffler - 3.00 Center In / 2.25 Dual Out - Moderate Sound
Universal Part | Part #: 9430522
Highlights: Gray; Aluminized Steel; 90 Months; Moderate Sound; Improved Horsepower, Torque and Engine Efficiency; Excellent choice for Street Rod cars and trucks; Mild interior resonance; 9.75; 4; 17; Aluminized Steel; 9.8; 9.75; Pipe Connection; 3; 3; Center; Center; Uses New Hangers (Not Included); Reflection; Pipe Connection; 2.25; 2.3; Dual; 23; Oval; Moderate Sound
Price: $173.95
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Flowmaster Super 50 Muffler - 3.00 Center In / 3.00 Center Out - Mild Sound
Flowmaster Super 50 Muffler - 3.00 Center In / 3.00 Center Out - Mild Sound
Universal Part | Part #: 53055
Highlights: Gray; Aluminized Steel; 90 Months; Mild to stock exterior exhaust tone; Improved Horsepower, Torque and Engine Efficiency; Excellent choice for large displacement vehicles; Minimal interior resonance; 10; 5; 17; Aluminized Steel; 10; 10; Pipe Connection; 3; 3; Center; Center; Uses New Hangers (Not Included); Reflection; Pipe Connection; 3; 3; Center; Center; 23; Oval; Mild Sound
Price: $204.95
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Flowmaster 40 Delta Flow Muffler - 2.50 Offset In / 2.50 Center Out - Aggressive Sound
Flowmaster 40 Delta Flow Muffler - 2.50 Offset In / 2.50 Center Out - Aggressive Sound
Universal Part | Part #: 942541
Highlights: Gray; Aluminized Steel; 90 Months; Durable fully welded 16 gauge aluminized steel; No internal packing to blowout; Excellent Street/Strip and Off Road application; Race proven patented Delta Flow technology; 2.5; 4; 13; Aluminized Steel; 9.8; 9.75; Pipe Connection; 2.5; 2.5; Offset; Uses New Hangers (Not Included); Reflection; Pipe Connection; 2.5; 2.5; Center; Center; 19; Oval; Aggressive Sound
Price: $153.95
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Spec-D Tuning Fireball Style Stainless Steel Muffler with 4" Tip and Removable Silencer
Spec-D Tuning Fireball Style Stainless Steel Muffler with 4" Tip and Removable Silencer
Universal Part | Part #: MF-RS341
Highlights: 2.5"; 4"; 12"; 5"; 16.87"
Price: $43.95
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Showing 109 to 126 of 867 (49 Pages)
Showing 109 to 126 of 867 (49 Pages)
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