1991 GMC S15 Jimmy Exhaust Upgrade Parts
14 parts verified to fit your 1991 GMC S15 Jimmy for a complete exhaust upgrade. A moderate DIY project — estimated 2-5 hours.
Headers
(4)primary
JBA
JBA 88-95& 02-03 GM S-Truck 4.3L V6 2WD 1-1/2in Primary Raw 409SS Cat4Ward Header
$752.76

JBA
JBA GM S-Truck 4.3L V6 2WD 1-1/2in Primary Silver Ctd Cat4Ward Header
$894.40

Victor Reinz
MAHLE Original Checker Marathon 82-80 Exhaust Manifold Set
$9.23

Fel-Pro
Fel-Pro Chevrolet C1500 MS 90746 Exhaust Manifold Gasket Set
$10.56
Mufflers
(10)primary
Magnaflow
MagnaFlow Conv GM 21X6.5X4 2.5/3 23486
$318.00

Magnaflow
MagnaFlow Conv Universal 2.5in Inlet 2.5in Outlet 16in Length
$480.00

Fel-Pro
Fel-Pro Chevrolet K1500 ES 75103 Exhaust Flange Stud and Nut
$19.74

Victor Reinz
MAHLE Original Chevrolet Astro 95-88 Exhaust Pipe Packing Ring
$10.06

Fel-Pro
Fel-Pro Chevrolet K1500 ES 75102 Exhaust Flange Stud and Nut
$19.55

Victor Reinz
MAHLE Original Acura Cl 99-97 Exhaust Gas Recirculation Valve Gasket
$1.73

Magnaflow
MagnaFlow Conv Univ 2.5 FED
$119.00

Magnaflow
MagnaFlow California Grade Catalytic Converter Direct Fit 91-92 Oldsmobile Bravada V6 4.3L
$931.00
Exhaust Upgrade for Other GMC S15 Jimmy Years
Other Jobs for Your 1991 GMC S15 Jimmy
Frequently Asked Questions
What parts do I need for a exhaust upgrade on my 1991 GMC S15 Jimmy?
A complete exhaust upgrade on the 1991 GMC S15 Jimmy 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 1991 GMC S15 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 1991 GMC S15 Jimmy?
Yes, all parts on this page are verified to fit the 1991 GMC S15 Jimmy 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 1991 GMC S15 Jimmy?
We carry exhaust upgrade parts from trusted brands including JBA, Victor Reinz, Fel-Pro, and Magnaflow. Filter by brand to find your preferred manufacturer.
How much does a exhaust upgrade cost for a 1991 GMC S15 Jimmy?
The cost of a exhaust upgrade for the 1991 GMC S15 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.
