Buick Mufflers

1981 Buick Pickup is a wonderful vehicle from the factory. The parts you will find in our catalog will help you bring the best out of your Pickup. We have 867 Mufflers available for your 1981 Pickup all priced at lowest possible price backed by FREE SHIPPING. 

We price match competitors ... Shop with confidence. 


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Flowmaster Super 40 Muffler - 3.00 Center In / 3.00 Center Out - Aggressive Sound
Flowmaster Super 40 Muffler - 3.00 Center In / 3.00 Center Out - Aggressive Sound
Universal Part | Part #: 953045
Highlights: Black; Aluminized Steel; 90 Months; Deep Aggressive Sound Exhaust Note; Race proven patented Delta Flow technology; Excellent performance on high horsepower vehicles; Moderate Sound interior resonance; 10; 5; 13.5; Aluminized Steel; 10; 10; Pipe Connection; 3; 3; Center; Center; Uses New Hangers (Not Included); Reflection; Pipe Connection; 3; 3; Center; Center; 19.5; Oval; Aggressive Sound
Price: $153.95
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Spec-D Tuning 4" Tip Silencer for N1 Muffler
Spec-D Tuning 4" Tip Silencer for N1 Muffler
Universal Part | Part #: MF-SR78140
Price: $24.95
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Flowmaster 40 Series Muffler - 2.50 Offset In / 2.50 Offset Out - Aggressive Sound
Flowmaster 40 Series Muffler - 2.50 Offset In / 2.50 Offset Out - Aggressive Sound
Universal Part | Part #: 42543
Highlights: Gray; Aluminized Steel; 90 Months; Durable fully welded 16 gauge aluminized steel; Excellent Street/Strip and Off Road application; Noticeable interior resonance; Aggressive Sound Exterior Exhaust Tone; 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: $101.95
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Borla Specialty Series Transverse Muffler (2.5" Inlet, Dual 2.5" Outlet Tubing, 24" Length)
Borla Specialty Series Transverse Muffler (2.5" Inlet, Dual 2.5" Outlet Tubing, 24" Length)
Universal Part | Part #: 40477
Highlights: 5.5"; 19"; 10.25"; All Welded; Pipe; 2.5"; Offset; Single Offset; 2.5"; T-304 Stainless Steel; No; 2.5"; Offset; Dual Outlet; 24"; Oval
Price: $336.99
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Borla XR-1 Series Sportsman Center/Center Round Muffler (3" Diameter, 2" Length)
Borla XR-1 Series Sportsman Center/Center Round Muffler (3" Diameter, 2" Length)
Universal Part | Part #: 40085
Highlights: 5"; 15"; 5"; All Welded; Pipe; 3"; Center; Single Center; 3"; T-304 Stainless Steel; No; No; 3"; Center; Single Center Outlet; 2"; Round
Price: $146.99
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Flowmaster Super 44 Series Muffler - 2.50 Offset In / 2.50 Center Out - Aggressive Sound
Flowmaster Super 44 Series Muffler - 2.50 Offset In / 2.50 Center Out - Aggressive Sound
Universal Part | Part #: 842546
Highlights: Gray; Stainless Steel; Lifetime Limited Warranty; Deep Aggressive Sound Exhaust Note; Race proven patented Delta Flow technology; Recent two chamber improvement; Noticeable interior resonance; 9.75; 4; 13; Stainless 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: $142.95
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Flowmaster Outlaw Series Race Muffler - short 5.00 Center In / 5.00 Center Out -Aggressive
Flowmaster Outlaw Series Race Muffler - short 5.00 Center In / 5.00 Center Out -Aggressive
Universal Part | Part #: 15450S
Highlights: Gray; Aluminized Steel; Lifetime Limited Warranty; Durable fully welded 16 gauge aluminized steel - round case allows install in limited space applications; No internal packing to blowout; Minimal decibel reduction - race application where muffler rules are in effect; Designed for maximum horsepower and torque; 6; 6; 7; Aluminized Steel; 6; 6; Pipe Connection; 5; 5; Center; Center; Uses New Hangers (Not Included); Reflection; Pipe Connection; 5; Center; 5; Center; 12; Round Case; Aggressive Sound
Price: $153.95
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Flowmaster 40 Series Muffler 409S - 2.50 Offset In / 2.50 Center Out - Aggressive Sound
Flowmaster 40 Series Muffler 409S - 2.50 Offset In / 2.50 Center Out - Aggressive Sound
Universal Part | Part #: 8042541
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; 2.5; 2.5; Offset; Uses New Hangers (Not Included); Reflection; Pipe Connection; 2.5; 2.5; Center; Center; 19; Oval; Aggressive Sound
Price: $138.95
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Flowmaster Super 40 Muffler - 2.50 Center In / 2.50 Offset Out - Aggressive Sound
Flowmaster Super 40 Muffler - 2.50 Center In / 2.50 Offset Out - Aggressive Sound
Universal Part | Part #: 952547
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; 2.5; 2.5; Center; Center; Uses New Hangers (Not Included); Reflection; Pipe Connection; 2.5; 2.5; Offset; 19.5; Oval; Aggressive Sound
Price: $153.95
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Flowmaster Super 50 Muffler - 2.50 Center In / 2.50 Offset Out - Mild Sound
Flowmaster Super 50 Muffler - 2.50 Center In / 2.50 Offset Out - Mild Sound
Universal Part | Part #: 52557
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; 2.5; 2.5; Center; Center; Uses New Hangers (Not Included); Reflection; Pipe Connection; 2.5; 2.5; Offset; 23; Oval; Mild Sound
Price: $204.95
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Magnaflow 4" Round Center/Center Straight-Through Performance Muffler (2.5" Inlet, 20" Length)
Magnaflow 4" Round Center/Center Straight-Through Performance Muffler (2.5" Inlet, 20" Length)
Universal Part | Part #: 10416

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; 4"; 2.5"; 1; Center; Straight-Through; 2.5"; 1; Center; 20"; Round
Price: $107.95
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Flowmaster 70 Series Muffler - 3.00 Offset In / 3.00 Center Out - Mild Sound
Flowmaster 70 Series Muffler - 3.00 Offset In / 3.00 Center Out - Mild Sound
Universal Part | Part #: 53071
Highlights: Gray; Aluminized Steel; 90 Months; Mild to stock exterior exhaust tone; Improved Horsepower, Torque and Engine Efficiency; Recommended for SUV/trucks/motorhomes/tow vehicles; Minimal interior resonance; 5; 5; 22; Aluminized Steel; 10; 10; Pipe Connection; 3; 3; Offset; Uses New Hangers (Not Included); Reflection; Pipe Connection; 3; 3; Center; Center; 28; Oval; Mild Sound
Price: $249.95
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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 #: 14832

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;Straight Cut;Folded Edge; 2.25"; 1; Center; Straight-Through; 1; Center; 21"; Oval
Price: $231.00
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Flowmaster Super 40 Muffler 409S - 3.00 Center In / 2.50 Dual Out - Aggressive Sound
Flowmaster Super 40 Muffler 409S - 3.00 Center In / 2.50 Dual Out - Aggressive Sound
Universal Part | Part #: 8530452
Highlights: Gray; Stainless Steel; Lifetime Limited Warranty; Durable fully welded 409 stainless steel; Excellent performance on high horsepower vehicles; Noticeable interior resonance; Deep Aggressive Sound Exhaust Note; 10; 5; 13.5; Stainless Steel; 10; 10; Pipe Connection; 3; 3; Center; Center; Uses New Hangers (Not Included); Reflection; Pipe Connection; 2.5; 2.5; Dual; 19.5; Oval; Aggressive Sound
Price: $169.95
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Flowmaster 50 Delta Flow Muffler - 2.25 Center In / 2.25 Offset Out - Moderate Sound
Flowmaster 50 Delta Flow Muffler - 2.25 Center In / 2.25 Offset Out - Moderate Sound
Universal Part | Part #: 942452
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; 2.25; 4; 17; Aluminized Steel; 9.8; 9.75; Pipe Connection; 2.25; 2.25; Center; Center; Uses New Hangers (Not Included); Reflection; Pipe Connection; 2.25; 2.3; Offset; 23; Oval; Moderate Sound
Price: $173.95
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Flowmaster 50 Delta Flow Muffler - 2.50 Center In / 2.50 Offset Out - Moderate Sound
Flowmaster 50 Delta Flow Muffler - 2.50 Center In / 2.50 Offset Out - Moderate Sound
Universal Part | Part #: 942552
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; 2.5; 4; 17; 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; Offset; 23; Oval; Moderate Sound
Price: $173.95
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Flowmaster Super 44 Series Muffler- 2.50 Offset In / 2.50 Offset Out - Aggressive Sound
Flowmaster Super 44 Series Muffler- 2.50 Offset In / 2.50 Offset Out - Aggressive Sound
Universal Part | Part #: 842548
Highlights: Gray; Stainless Steel; Lifetime Limited Warranty; Deep Aggressive Sound Exhaust Note; Race proven patented Delta Flow technology; Recent two chamber improvement; Noticeable interior resonance; 4; 13; Stainless Steel; 9.8; 9.75; 2.5; 2.5; Offset; 2.5; 2.5; Offset; Oval; Aggressive Sound
Price: $139.95
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Flowmaster Super 40 Muffler - 3.00 Offset In / 3.00 Offset Out - Aggressive Sound
Flowmaster Super 40 Muffler - 3.00 Offset In / 3.00 Offset Out - Aggressive Sound
Universal Part | Part #: 953048
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; Offset; 19.5; Oval; Aggressive Sound
Price: $153.95
Free Shipping
Showing 55 to 72 of 867 (49 Pages)
Showing 55 to 72 of 867 (49 Pages)
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