Cadillac Mufflers

2026 Cadillac 5 Series is a wonderful vehicle from the factory. The parts you will find in our catalog will help you bring the best out of your 5 Series. We have 867 Mufflers available for your 2026 5 Series all priced at lowest possible price backed by FREE SHIPPING. 

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Borla ProXS Series Center/Offset Muffler (2.5" Tubing, 19" Length)
Borla ProXS Series Center/Offset Muffler (2.5" Tubing, 19" Length)
Universal Part | Part #: 40659
Highlights: 4.25"; 14"; 7.88"; All Welded; Pipe; 2.5"; Center; Single Center; 2.25"; T-304 Stainless Steel; No; No; 2.5"; Offset; Single Offset Outlet; 19"; Oval
Price: $111.99
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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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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 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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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 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 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 - 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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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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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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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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Showing 109 to 126 of 868 (49 Pages)
Showing 109 to 126 of 868 (49 Pages)
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