1981 GMC K3500 Exhaust Muffler
Browse our online catalogue to find original replacement Exhaust Mufflers specifically designed to fit a 1981 GMC K3500.

1981 GMC K3500 Exhaust Muffler
$120.95
$105.39
In Stock
Condition: New
Ships: Monday Feb. 16th
Pick-Up: Ready in 1 Hour (Order before 11:30 AM)
Pick-Up: Ready in 1 Hour (Order before 11:30 AM)
Required Per Vehicle: 2
Made in USA
Fits: 1981 GMC K3500
Equipped With:
Engine Base: 7.4L 454ci V8 (4.25x4.00; 108.0x101.6); Wheel Base: 334.0cm (131.5in.);
Engine Base: 7.4L 454ci V8 (4.25x4.00; 108.0x101.6); Wheel Base: 334.0cm (131.5in.);
Vehicle Fitment Notes:
Do Not Use with Federal or H5D Emissions System Regular Duty Muffler Left Hand and Right Hand
Do Not Use with Federal or H5D Emissions System Regular Duty Muffler Left Hand and Right Hand

1981 GMC K3500 Exhaust Muffler
$163.88
$139.97
In Stock
Condition: New
Ships: Monday Feb. 16th
Pick-Up: Ready in 1 Hour (Order before 11:30 AM)
Pick-Up: Ready in 1 Hour (Order before 11:30 AM)
Required Per Vehicle: 1
Made in USA
Fits: 1981 GMC K3500
Equipped With:
Engine Base: 4.8L 292ci L6 (3.88x4.13; 98.4x104.8); Wheel Base: 334.0cm (131.5in.);
Engine Base: 4.8L 292ci L6 (3.88x4.13; 98.4x104.8); Wheel Base: 334.0cm (131.5in.);
Vehicle Fitment Notes:
Do Not Use with Federal or H5D Emissions System Regular Duty Muffler with Single Exhaust
Do Not Use with Federal or H5D Emissions System Regular Duty Muffler with Single Exhaust

1981 GMC K3500 Exhaust Muffler
$163.88
$139.97
In Stock
Condition: New
Ships: Monday Feb. 16th
Pick-Up: Ready in 1 Hour (Order before 11:30 AM)
Pick-Up: Ready in 1 Hour (Order before 11:30 AM)
Required Per Vehicle: 1
Made in USA
Fits: 1981 GMC K3500
Equipped With:
Engine Base: 4.8L 292ci L6 (3.88x4.13; 98.4x104.8); Wheel Base: 344.2cm (135.5in.);
Engine Base: 4.8L 292ci L6 (3.88x4.13; 98.4x104.8); Wheel Base: 344.2cm (135.5in.);
Vehicle Fitment Notes:
Do Not Use with Federal or H5D Emissions System Regular Duty Muffler with Single Exhaust
Do Not Use with Federal or H5D Emissions System Regular Duty Muffler with Single Exhaust

1981 GMC K3500 Exhaust Muffler
$163.88
$139.97
In Stock
Condition: New
Ships: Monday Feb. 16th
Pick-Up: Ready in 1 Hour (Order before 11:30 AM)
Pick-Up: Ready in 1 Hour (Order before 11:30 AM)
Required Per Vehicle: 1
Made in USA
Fits: 1981 GMC K3500
Equipped With:
Engine Base: 5.7L 350ci V8 (4.00x3.48; 101.6x88.5); Wheel Base: 334.0cm (131.5in.);
Engine Base: 5.7L 350ci V8 (4.00x3.48; 101.6x88.5); Wheel Base: 334.0cm (131.5in.);
Vehicle Fitment Notes:
Do Not Use with Federal or H5D Emissions System Regular Duty Muffler with Single Exhaust
Do Not Use with Federal or H5D Emissions System Regular Duty Muffler with Single Exhaust

1981 GMC K3500 Exhaust Muffler
$163.88
$139.97
In Stock
Condition: New
Ships: Monday Feb. 16th
Pick-Up: Ready in 1 Hour (Order before 11:30 AM)
Pick-Up: Ready in 1 Hour (Order before 11:30 AM)
Required Per Vehicle: 2
Made in USA
Fits: 1981 GMC K3500
Equipped With:
Engine Base: 5.7L 350ci V8 (4.00x3.48; 101.6x88.5); Wheel Base: 344.2cm (135.5in.);
Engine Base: 5.7L 350ci V8 (4.00x3.48; 101.6x88.5); Wheel Base: 344.2cm (135.5in.);
Vehicle Fitment Notes:
Do Not Use with Federal or H5D Emissions System Regular Duty Muffler with Dual Exhaust Left Hand and Right Hand
Do Not Use with Federal or H5D Emissions System Regular Duty Muffler with Dual Exhaust Left Hand and Right Hand

1981 GMC K3500 Exhaust Muffler
$90.13
$89.84
In Stock
Condition: New
Ships: Monday Feb. 16th
Pick-Up: Ready in 2-4 Hours (Order before 10:30 AM)
Pick-Up: Ready in 2-4 Hours (Order before 10:30 AM)
Required Per Vehicle: 1
Made in USA
Fits: 1981 GMC K3500
Equipped With:
Engine Base: 4.8L 292ci L6 (3.88x4.13; 98.4x104.8); Wheel Base: 334.0cm (131.5in.);
Engine Base: 4.8L 292ci L6 (3.88x4.13; 98.4x104.8); Wheel Base: 334.0cm (131.5in.);
Vehicle Fitment Notes:
Do Not Use with Federal or H5D Emissions System Regular Duty Muffler with Single Exhaust
Do Not Use with Federal or H5D Emissions System Regular Duty Muffler with Single Exhaust

1981 GMC K3500 Exhaust Muffler
$90.13
$89.84
In Stock
Condition: New
Ships: Monday Feb. 16th
Pick-Up: Ready in 2-4 Hours (Order before 10:30 AM)
Pick-Up: Ready in 2-4 Hours (Order before 10:30 AM)
Required Per Vehicle: 1
Made in USA
Fits: 1981 GMC K3500
Equipped With:
Engine Base: 4.8L 292ci L6 (3.88x4.13; 98.4x104.8); Wheel Base: 344.2cm (135.5in.);
Engine Base: 4.8L 292ci L6 (3.88x4.13; 98.4x104.8); Wheel Base: 344.2cm (135.5in.);
Vehicle Fitment Notes:
Do Not Use with Federal or H5D Emissions System Regular Duty Muffler with Single Exhaust
Do Not Use with Federal or H5D Emissions System Regular Duty Muffler with Single Exhaust

1981 GMC K3500 Exhaust Muffler
$90.13
$89.84
In Stock
Condition: New
Ships: Monday Feb. 16th
Pick-Up: Ready in 2-4 Hours (Order before 10:30 AM)
Pick-Up: Ready in 2-4 Hours (Order before 10:30 AM)
Required Per Vehicle: 1
Made in USA
Fits: 1981 GMC K3500
Equipped With:
Engine Base: 5.7L 350ci V8 (4.00x3.48; 101.6x88.5); Wheel Base: 334.0cm (131.5in.);
Engine Base: 5.7L 350ci V8 (4.00x3.48; 101.6x88.5); Wheel Base: 334.0cm (131.5in.);
Vehicle Fitment Notes:
Do Not Use with Federal or H5D Emissions System Regular Duty Muffler with Single Exhaust
Do Not Use with Federal or H5D Emissions System Regular Duty Muffler with Single Exhaust

1981 GMC K3500 Exhaust Muffler
$90.13
$89.84
In Stock
Condition: New
Ships: Monday Feb. 16th
Pick-Up: Ready in 2-4 Hours (Order before 10:30 AM)
Pick-Up: Ready in 2-4 Hours (Order before 10:30 AM)
Required Per Vehicle: 2
Made in USA
Fits: 1981 GMC K3500
Equipped With:
Engine Base: 5.7L 350ci V8 (4.00x3.48; 101.6x88.5); Wheel Base: 344.2cm (135.5in.);
Engine Base: 5.7L 350ci V8 (4.00x3.48; 101.6x88.5); Wheel Base: 344.2cm (135.5in.);
Vehicle Fitment Notes:
Do Not Use with Federal or H5D Emissions System Regular Duty Muffler with Dual Exhaust Left Hand and Right Hand
Do Not Use with Federal or H5D Emissions System Regular Duty Muffler with Dual Exhaust Left Hand and Right Hand

1981 GMC K3500 Exhaust Muffler
$85.18
$74.69
Out of Stock
Condition: New
Required Per Vehicle: 1
Made in USA
Fits: 1981 GMC K3500
Equipped With:
Engine Base: 4.8L 292ci L6 (3.88x4.13; 98.4x104.8); Wheel Base: 334.0cm (131.5in.);
Engine Base: 4.8L 292ci L6 (3.88x4.13; 98.4x104.8); Wheel Base: 334.0cm (131.5in.);
Vehicle Fitment Notes:
Do Not Use with Federal or H5D Emissions System Regular Duty Muffler with Single Exhaust Modifications and/or Additional Parts May Be Required for Installation
Do Not Use with Federal or H5D Emissions System Regular Duty Muffler with Single Exhaust Modifications and/or Additional Parts May Be Required for Installation

1981 GMC K3500 Exhaust Muffler
$85.18
$74.69
Out of Stock
Condition: New
Required Per Vehicle: 1
Made in USA
Fits: 1981 GMC K3500
Equipped With:
Engine Base: 4.8L 292ci L6 (3.88x4.13; 98.4x104.8); Wheel Base: 344.2cm (135.5in.);
Engine Base: 4.8L 292ci L6 (3.88x4.13; 98.4x104.8); Wheel Base: 344.2cm (135.5in.);
Vehicle Fitment Notes:
Do Not Use with Federal or H5D Emissions System Regular Duty Muffler with Single Exhaust Modifications and/or Additional Parts May Be Required for Installation
Do Not Use with Federal or H5D Emissions System Regular Duty Muffler with Single Exhaust Modifications and/or Additional Parts May Be Required for Installation

1981 GMC K3500 Exhaust Muffler
$85.18
$74.69
Out of Stock
Condition: New
Required Per Vehicle: 1
Made in USA
Fits: 1981 GMC K3500
Equipped With:
Engine Base: 5.7L 350ci V8 (4.00x3.48; 101.6x88.5); Wheel Base: 334.0cm (131.5in.);
Engine Base: 5.7L 350ci V8 (4.00x3.48; 101.6x88.5); Wheel Base: 334.0cm (131.5in.);
Vehicle Fitment Notes:
Do Not Use with Federal or H5D Emissions System Regular Duty Muffler with Single Exhaust Modifications and/or Additional Parts May Be Required for Installation
Do Not Use with Federal or H5D Emissions System Regular Duty Muffler with Single Exhaust Modifications and/or Additional Parts May Be Required for Installation

1981 GMC K3500 Exhaust Muffler
$85.18
$74.69
Out of Stock
Condition: New
Required Per Vehicle: 2
Made in USA
Fits: 1981 GMC K3500
Equipped With:
Engine Base: 5.7L 350ci V8 (4.00x3.48; 101.6x88.5); Wheel Base: 344.2cm (135.5in.);
Engine Base: 5.7L 350ci V8 (4.00x3.48; 101.6x88.5); Wheel Base: 344.2cm (135.5in.);
Vehicle Fitment Notes:
Do Not Use with Federal or H5D Emissions System Regular Duty Muffler with Dual Exhaust Left Hand and Right Hand Modifications and/or Additional Parts May Be Required for Installation
Do Not Use with Federal or H5D Emissions System Regular Duty Muffler with Dual Exhaust Left Hand and Right Hand Modifications and/or Additional Parts May Be Required for Installation

1981 GMC K3500 Exhaust Muffler
$90.13
$77.34
Out of Stock
Condition: New
Required Per Vehicle: 2
Made in USA
Fits: 1981 GMC K3500
Equipped With:
Engine Base: 7.4L 454ci V8 (4.25x4.00; 108.0x101.6); Wheel Base: 334.0cm (131.5in.);
Engine Base: 7.4L 454ci V8 (4.25x4.00; 108.0x101.6); Wheel Base: 334.0cm (131.5in.);
Vehicle Fitment Notes:
Do Not Use with Federal or H5D Emissions System Regular Duty Muffler Left Hand and Right Hand
Do Not Use with Federal or H5D Emissions System Regular Duty Muffler Left Hand and Right Hand