1981 Chevrolet K20 Exhaust Muffler
Navigate our online catalogue to find original replacement Exhaust Mufflers specifically designed to fit a 1981 Chevrolet K20.


Exhaust Muffler
$90.13
$89.33 CAD
In Stock
Condition: New
Ships: Today, Oct. 14th
Pick-Up: Ready in 2-3 Hours (Order before 3:30 PM)
Pick-Up: Ready in 2-3 Hours (Order before 3:30 PM)
Required Per Vehicle: 1
Made in USA
Vehicle fitment:
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 with Single Outlet without Catalytic Converter
Do Not Use with Federal or H5D Emissions System with Single Outlet without Catalytic Converter

Exhaust Muffler
$90.13
$89.33 CAD
In Stock
Condition: New
Ships: Today, Oct. 14th
Pick-Up: Ready in 2-3 Hours (Order before 3:30 PM)
Pick-Up: Ready in 2-3 Hours (Order before 3:30 PM)
Required Per Vehicle: 1
Made in USA
Vehicle fitment:
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:
with Converter with Single Exhaust
with Converter with Single Exhaust

Exhaust Muffler
$163.88
$139.97 CAD
In Stock
Condition: New
Ships: Today, Oct. 14th
Pick-Up: Ready in 1 Hour (Order before 4:30 PM)
Pick-Up: Ready in 1 Hour (Order before 4:30 PM)
Required Per Vehicle: 1
Made in USA
Vehicle fitment:
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 with Single Outlet without Catalytic Converter
Do Not Use with Federal or H5D Emissions System with Single Outlet without Catalytic Converter

Exhaust Muffler
$163.88
$139.97 CAD
In Stock
Condition: New
Ships: Today, Oct. 14th
Pick-Up: Ready in 1 Hour (Order before 4:30 PM)
Pick-Up: Ready in 1 Hour (Order before 4:30 PM)
Required Per Vehicle: 1
Made in USA
Vehicle fitment:
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:
with Converter with Single Exhaust
with Converter with Single Exhaust

Exhaust Muffler
$85.18
$74.69 CAD
Out of Stock
Condition: New
Required Per Vehicle: 1
Made in USA
Vehicle fitment:
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 with Single Outlet without Catalytic Converter Modifications and/or Additional Parts May Be Required for Installation
Do Not Use with Federal or H5D Emissions System with Single Outlet without Catalytic Converter Modifications and/or Additional Parts May Be Required for Installation

Exhaust Muffler
$85.18
$74.69 CAD
Out of Stock
Condition: New
Required Per Vehicle: 1
Made in USA
Vehicle fitment:
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:
with Single Catalytic Converter Modifications and/or Additional Parts May Be Required for Installation
with Single Catalytic Converter Modifications and/or Additional Parts May Be Required for Installation