1984 GMC Jimmy Exhaust Upgrade Parts
69 parts listed for your 1984 GMC Jimmy for a complete exhaust upgrade. Choose your trim on product pages to confirm exact fit. A moderate DIY project - estimated 2-5 hours.
Headers
(8)primary
BBK
BBK GM Small Block Exhaust Header Gasket Set
$52.47

Fel-Pro
Fel-Pro 69-81 Chevrolet Corvette/67-92 Camaro/70-75 Bel Air Exhaust Manifold Gasket Set
$7.31

Fel-Pro
Fel-Pro Chevrolet K2500 MS 91587 Exhaust Manifold Gasket Set
$16.51

JBA
JBA 65-86 GM Truck 265-400 Carbureted w/A.I.R. 1-5/8in Primary Raw 409SS Cat4Ward Header
$907.02

JBA
JBA 65-86 GM Truck 265-400 Carbureted w/A.I.R. 1-5/8in Primary Silver Ctd Cat4Ward Header
$1071.74

JBA
JBA 65-86 GM Truck 265-400 Carbureted w/A.I.R. 1-5/8in Primary Ti Ctd Cat4Ward Header
$1010.11

Victor Reinz
MAHLE Original Am General Hummer 98-92 Exhaust Manifold Set
$24.08

Victor Reinz
MAHLE Original Avanti II 69-65 Exhaust Manifold Set
$9.82
Mufflers
(61)primary
Cometic Gasket
Cometic Chevrolet Gen-1 Small Block V8 .030in MLS Exhaust Header Gasket Kit - All Pro Heads
$83.03

Cometic Gasket
Cometic Chevrolet Gen-1 Small Block V8 .030in MLS Exhaust Header Gasket Set - All Pro Heads
$104.95


Cometic Gasket
Cometic Chevrolet Gen-1 Small Block V8 .030in MLS Exhaust Manifold Gasket Set - 1.500in Round Port
$51.05


Cometic Gasket
Cometic Chevrolet Gen-1 Small Block V8 .030in MLS Exhaust Manifold Gasket Set - 1.625in Round Ports
$52.20

Cometic Gasket
Cometic Chevrolet Gen-1 Small Block V8 .060in HTS Exhaust Manifold Gasket Set - 1.625in Round Ports
$37.77

Cometic Gasket
Cometic Chevrolet Gen-1 Small Block V8 .060in MLS Exhaust Manifold Gasket Set - 1.500in Round Port
$51.05

Cometic Gasket
Cometic Chevrolet Gen-1 Small Block V8 .064in AM Exhaust Header Gasket - Brodix BD2000 Head
$19.28

Cometic Gasket
Cometic Chevrolet Gen-1 Small Block V8 .064in AM Exhaust Manifold Gasket Set - 1.625in Round Ports
$45.76
Exhaust Upgrade for Other GMC Jimmy Years
Other Jobs for Your 1984 GMC Jimmy
Frequently Asked Questions
What parts do I need for a exhaust upgrade on my 1984 GMC Jimmy?
A complete exhaust upgrade on the 1984 GMC Jimmy typically requires headers, mufflers. This page groups parts commonly associated with that year, make, and model; confirm your trim on product pages for exact fit.
How long does a exhaust upgrade take on a 1984 GMC Jimmy?
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 1984 GMC Jimmy?
These parts are listed for the 1984 GMC Jimmy using manufacturer fitment data. Some products fit every trim, while others require trim confirmation. Use your trim in My Garage or the product page fitment checker to confirm exact fit.
What brands make exhaust upgrade parts for the 1984 GMC Jimmy?
We carry exhaust upgrade parts from trusted brands including BBK, Fel-Pro, JBA, Victor Reinz, and Cometic Gasket. Filter by brand to find your preferred manufacturer.
How much does a exhaust upgrade cost for a 1984 GMC Jimmy?
The cost of a exhaust upgrade for the 1984 GMC Jimmy 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.
