1985 GMC G3500 Exhaust Upgrade Parts
69 parts verified to fit your 1985 GMC G3500 for a complete exhaust upgrade. A moderate DIY project — estimated 2-5 hours.
Headers
(7)primary
BBK
BBK GM Small Block Exhaust Header Gasket Set
$49.99
Fel-Pro
Fel-Pro 69-81 Chevrolet Corvette/67-92 Camaro/70-75 Bel Air Exhaust Manifold Gasket Set
$8.52
Fel-Pro
Fel-Pro Chevrolet C1500 MS 90746 Exhaust Manifold Gasket Set
$10.56
Victor Reinz
MAHLE Original Am General Hummer 98-92 Exhaust Manifold Set
$21.54
Fel-Pro
Fel-Pro Chevrolet K2500 MS 91587 Exhaust Manifold Gasket Set
$19.25
Victor Reinz
MAHLE Original Checker Marathon 82-80 Exhaust Manifold Set
$9.23
Victor Reinz
MAHLE Original Avanti II 69-65 Exhaust Manifold Set
$7.88
Mufflers
(62)primary
Cometic Gasket
Cometic Chevy Gen1 SB V8 .064in AM Exhaust Mani Gskt Set-1.615in x 1.500in D Ports-Brodix WP262 Head
$37.66
Victor Reinz
MAHLE Original Buick Century 80-77 Exhaust Gas Recirculation Valve Gasket
$2.93
Fel-Pro
Fel-Pro Chevrolet Camaro Exhaust Pipe Flange Gasket
$3.44
Cometic Gasket
Cometic Chevy Gen1 Small Block V8 .060in HTS Exhaust Mani Gskt Set-1.710in x 1.550in Brodix D Ports
$28.24
Magnaflow
MagnaFlow Conv DF 1994 GMA G3500 V6 4.3L
$1063.00
Magnaflow
MagnaFlow Conv Universal 2.5in Inlet 2.5in Outlet 16in Length
$480.00
Cometic Gasket
Cometic Chevy Gen1 SB V8 .060in HTS Exhaust Mani Gasket Set-2.00in Round Port-Hooker/Stahl Bolt Patt
$28.24
Fel-Pro
Fel-Pro Chevrolet K1500 ES 75103 Exhaust Flange Stud and Nut
$19.74
Exhaust Upgrade for Other GMC G3500 Years
Other Jobs for Your 1985 GMC G3500
Frequently Asked Questions
What parts do I need for a exhaust upgrade on my 1985 GMC G3500?
A complete exhaust upgrade on the 1985 GMC G3500 typically requires headers, mufflers. All parts shown on this page are verified to fit your specific vehicle.
How long does a exhaust upgrade take on a 1985 GMC G3500?
A exhaust upgrade typically takes 2-5 hours and is rated as moderate difficulty. Actual time may vary depending on your experience and the specific parts being replaced.
Can I do a exhaust upgrade myself?
A exhaust upgrade is a moderate DIY project. If you have some mechanical experience and the right tools, you can handle it. Otherwise, consider having a professional do the work.
Are these parts guaranteed to fit my 1985 GMC G3500?
Yes, all parts on this page are verified to fit the 1985 GMC G3500 using VCDB fitment data from manufacturers. Our fitment information is cross-referenced with industry-standard vehicle databases to ensure accuracy.
What brands make exhaust upgrade parts for the 1985 GMC G3500?
We carry exhaust upgrade parts from trusted brands including BBK, Fel-Pro, Victor Reinz, Cometic Gasket, and Magnaflow. Filter by brand to find your preferred manufacturer.
How much does a exhaust upgrade cost for a 1985 GMC G3500?
The cost of a exhaust upgrade for the 1985 GMC G3500 depends on the parts and brands you choose. Browse the parts on this page to see current pricing. Doing the work yourself saves significantly on labor costs.