1985 GMC P3500 Exhaust Muffler
Navigate our online catalogue to find original replacement Exhaust Mufflers specifically designed to fit a 1985 GMC P3500.


Exhaust Muffler
$115.44
$97.08
Limited Stock
Condition: New
Ships: Friday Oct. 3rd
Pick-Up: Ready in 1 Hour Friday Oct. 3rd
Pick-Up: Ready in 1 Hour Friday Oct. 3rd
Left (Driver Side)
Required Per Vehicle: 1
Made in USA
Vehicle fitment:
Engine Base: 7.4L 454ci V8 (4.25x4.00; 108.0x101.6);
Engine Base: 7.4L 454ci V8 (4.25x4.00; 108.0x101.6);
Vehicle Fitment Notes:
Before 01/01/1985 Do Not Use with Federal or H5D Emissions System Regular Duty Muffler Modifications and/or Additional Parts May Be Required for Installation
Before 01/01/1985 Do Not Use with Federal or H5D Emissions System Regular Duty Muffler Modifications and/or Additional Parts May Be Required for Installation

Exhaust Muffler
$115.44
$97.08
Limited Stock
Condition: New
Ships: Friday Oct. 3rd
Pick-Up: Ready in 1 Hour Friday Oct. 3rd
Pick-Up: Ready in 1 Hour Friday Oct. 3rd
Right (Passenger Side)
Required Per Vehicle: 1
Made in USA
Vehicle fitment:
Engine Base: 7.4L 454ci V8 (4.25x4.00; 108.0x101.6);
Engine Base: 7.4L 454ci V8 (4.25x4.00; 108.0x101.6);
Vehicle Fitment Notes:
Before 01/01/1985 Do Not Use with Federal or H5D Emissions System Regular Duty Muffler Modifications and/or Additional Parts May Be Required for Installation
Before 01/01/1985 Do Not Use with Federal or H5D Emissions System Regular Duty Muffler Modifications and/or Additional Parts May Be Required for Installation

Exhaust Muffler
$85.18
$79.99
In Stock
Condition: New
Ships: Next Business Day
Pick-Up: Next Business Day
Pick-Up: Next Business Day
Required Per Vehicle: 1
Made in USA
Vehicle fitment:
Engine Base: 5.7L 350ci V8 (4.00x3.48; 101.6x88.5);
Engine Base: 5.7L 350ci V8 (4.00x3.48; 101.6x88.5);
Vehicle Fitment Notes:
Do Not Use with Federal or H5D Emissions System Regular Duty Muffler Single Outlet Muffler Replaces Dual Outlet Modifications and/or Additional Parts May Be Required for Installation
Do Not Use with Federal or H5D Emissions System Regular Duty Muffler Single Outlet Muffler Replaces Dual Outlet Modifications and/or Additional Parts May Be Required for Installation

Exhaust Muffler
$90.13
$89.33
In Stock
Condition: New
Ships: Friday Oct. 3rd
Pick-Up: Ready in 2-3 Hours Friday Oct. 3rd
Pick-Up: Ready in 2-3 Hours Friday Oct. 3rd
Required Per Vehicle: 1
Made in USA
Vehicle fitment:
Engine Base: 4.8L 292ci L6 (3.88x4.13; 98.4x104.8);
Engine Base: 4.8L 292ci L6 (3.88x4.13; 98.4x104.8);
Vehicle Fitment Notes:
Before 01/01/1985 Do Not Use with Federal or H5D Emissions System Regular Duty Muffler
Before 01/01/1985 Do Not Use with Federal or H5D Emissions System Regular Duty Muffler

Exhaust Muffler
$90.13
$89.33
In Stock
Condition: New
Ships: Friday Oct. 3rd
Pick-Up: Ready in 2-3 Hours Friday Oct. 3rd
Pick-Up: Ready in 2-3 Hours Friday Oct. 3rd
Required Per Vehicle: 2
Made in USA
Vehicle fitment:
Engine Base: 6.2L 379ci V8 (3.98x3.82; 101.0x97.0);
Engine Base: 6.2L 379ci V8 (3.98x3.82; 101.0x97.0);
Vehicle Fitment Notes:
Before 01/01/1988 Regular Duty Muffler Requires 35103
Before 01/01/1988 Regular Duty Muffler Requires 35103

Exhaust Muffler
$108.80
$99.97
Limited Stock
Condition: New
Ships: Next Business Day
Pick-Up: Next Business Day
Pick-Up: Next Business Day
Required Per Vehicle: 1
Made in USA
Vehicle fitment:
Engine Base: 5.7L 350ci V8 (4.00x3.48; 101.6x88.5);
Engine Base: 5.7L 350ci V8 (4.00x3.48; 101.6x88.5);
Vehicle Fitment Notes:
Do Not Use with Federal or H5D Emissions System Regular Duty Muffler with Dual Outlets
Do Not Use with Federal or H5D Emissions System Regular Duty Muffler with Dual Outlets

Exhaust Muffler
$163.88
$139.97
Limited Stock
Condition: New
Ships: Friday Oct. 3rd
Pick-Up: Ready in 1 Hour Friday Oct. 3rd
Pick-Up: Ready in 1 Hour Friday Oct. 3rd
Required Per Vehicle: 1
Made in USA
Vehicle fitment:
Engine Base: 4.8L 292ci L6 (3.88x4.13; 98.4x104.8);
Engine Base: 4.8L 292ci L6 (3.88x4.13; 98.4x104.8);
Vehicle Fitment Notes:
Before 01/01/1985 Do Not Use with Federal or H5D Emissions System Regular Duty Muffler
Before 01/01/1985 Do Not Use with Federal or H5D Emissions System Regular Duty Muffler

Exhaust Muffler
$228.13
$166.32
In Stock
Condition: New
Ships: Next Business Day
Pick-Up: Next Business Day
Pick-Up: Next Business Day
Required Per Vehicle: 1
Made in USA
Vehicle fitment:
Engine Base: 5.7L 350ci V8 (4.00x3.48; 101.6x88.5);
Engine Base: 5.7L 350ci V8 (4.00x3.48; 101.6x88.5);
Vehicle Fitment Notes:
Do Not Use with Federal or H5D Emissions System Regular Duty Muffler with Dual Outlets
Do Not Use with Federal or H5D Emissions System Regular Duty Muffler with Dual Outlets

Exhaust Muffler
$152.16
$130.44
Limited Stock
Condition: New
Ships: Friday Oct. 3rd
Pick-Up: Ready in 2-3 Hours Friday Oct. 3rd
Pick-Up: Ready in 2-3 Hours Friday Oct. 3rd
Required Per Vehicle: 2
Made in USA
Vehicle fitment:
Engine Base: 6.2L 379ci V8 (3.98x3.82; 101.0x97.0);
Engine Base: 6.2L 379ci V8 (3.98x3.82; 101.0x97.0);
Vehicle Fitment Notes:
Before 01/01/1988 Regular Duty Muffler
Before 01/01/1988 Regular Duty Muffler

Exhaust Muffler
$85.18
$74.69
Out of Stock
Condition: New
Required Per Vehicle: 1
Made in USA
Vehicle fitment:
Engine Base: 4.8L 292ci L6 (3.88x4.13; 98.4x104.8);
Engine Base: 4.8L 292ci L6 (3.88x4.13; 98.4x104.8);
Vehicle Fitment Notes:
Before 01/01/1985 Do Not Use with Federal or H5D Emissions System Regular Duty Muffler Modifications and/or Additional Parts May Be Required for Installation
Before 01/01/1985 Do Not Use with Federal or H5D Emissions System Regular Duty Muffler Modifications and/or Additional Parts May Be Required for Installation

Exhaust Muffler
$85.18
$74.69
Out of Stock
Condition: New
Required Per Vehicle: 2
Made in USA
Vehicle fitment:
Engine Base: 6.2L 379ci V8 (3.98x3.82; 101.0x97.0);
Engine Base: 6.2L 379ci V8 (3.98x3.82; 101.0x97.0);
Vehicle Fitment Notes:
Before 01/01/1988 Bracket May Be Required Regular Duty Muffler Modifications and/or Additional Parts May Be Required for Installation
Before 01/01/1988 Bracket May Be Required Regular Duty Muffler Modifications and/or Additional Parts May Be Required for Installation

Exhaust Muffler
$186.29
$154.85
Out of Stock
Condition: New
Left (Driver Side)
Required Per Vehicle: 1
Made in USA
Vehicle fitment:
Engine Base: 7.4L 454ci V8 (4.25x4.00; 108.0x101.6);
Engine Base: 7.4L 454ci V8 (4.25x4.00; 108.0x101.6);
Vehicle Fitment Notes:
Arc Welded Construction Recommended for Commercial Use Before 01/01/1985 Do Not Use with Federal or H5D Emissions System Heavy Duty Muffler
Arc Welded Construction Recommended for Commercial Use Before 01/01/1985 Do Not Use with Federal or H5D Emissions System Heavy Duty Muffler

Exhaust Muffler
$186.29
$154.85
Out of Stock
Condition: New
Right (Passenger Side)
Required Per Vehicle: 1
Made in USA
Vehicle fitment:
Engine Base: 7.4L 454ci V8 (4.25x4.00; 108.0x101.6);
Engine Base: 7.4L 454ci V8 (4.25x4.00; 108.0x101.6);
Vehicle Fitment Notes:
Arc Welded Construction Recommended for Commercial Use Before 01/01/1985 Do Not Use with Federal or H5D Emissions System Heavy Duty Muffler
Arc Welded Construction Recommended for Commercial Use Before 01/01/1985 Do Not Use with Federal or H5D Emissions System Heavy Duty Muffler