1991 GMC Sonoma Exhaust Upgrade Parts
28 parts verified to fit your 1991 GMC Sonoma for a complete exhaust upgrade. A moderate DIY project — estimated 2-5 hours.
Headers
(8)primary
Fel-Pro
Fel-Pro Chevrolet S10 MS 90864 Exhaust Manifold Gasket Set
$9.66
Victor Reinz
MAHLE Original Buick Century 92-82 Exhaust Manifold Set
$5.15
Victor Reinz
MAHLE Original Buick Century 86 Exhaust Manifold Set
$13.29
Victor Reinz
MAHLE Original Checker Marathon 82-80 Exhaust Manifold Set
$9.23
JBA
JBA 88-95 & 02-03 GM S-Truck 4.3L V6 4WD 1-1/2in Primary Silver Ctd Cat4Ward Header
$808.75
Fel-Pro
Fel-Pro Chevrolet C1500 MS 90746 Exhaust Manifold Gasket Set
$10.56
JBA
JBA 88-95 & 02-03 GM S-Truck 4.3L V6 4WD 1-1/2in Primary Raw 409SS Cat4Ward Header
$644.03
Fel-Pro
Fel-Pro Chevrolet S10 MS 93689 Exhaust Manifold Gasket Set
$4.90
Mufflers
(20)primary
Magnaflow
MagnaFlow Conv Universal 2.25in Inlet 2.25in Outlet 16in Length 6.375in Width
$480.00
Magnaflow
MagnaFlow Conv Universal 2.5in Inlet 2.5in Outlet 16in Length
$480.00
Victor Reinz
MAHLE Original American Motors Eagle 83 Exhaust Pipe Packing Ring
$9.09
Fel-Pro
Fel-Pro Chevrolet K1500 ES 75103 Exhaust Flange Stud and Nut
$19.74
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
Victor Reinz
MAHLE Original American Motors Concord 82-80 Exhaust Gas Recirculation Valve Gasket
$3.20
Victor Reinz
MAHLE Original Chevrolet Astro 95-88 Exhaust Pipe Packing Ring
$10.06
Exhaust Upgrade for Other GMC Sonoma Years
Other Jobs for Your 1991 GMC Sonoma
Frequently Asked Questions
What parts do I need for a exhaust upgrade on my 1991 GMC Sonoma?
A complete exhaust upgrade on the 1991 GMC Sonoma 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 Sonoma?
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 Sonoma?
Yes, all parts on this page are verified to fit the 1991 GMC Sonoma 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 Sonoma?
We carry exhaust upgrade parts from trusted brands including Fel-Pro, Victor Reinz, JBA, and Magnaflow. Filter by brand to find your preferred manufacturer.
How much does a exhaust upgrade cost for a 1991 GMC Sonoma?
The cost of a exhaust upgrade for the 1991 GMC Sonoma 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.