1973 Pontiac Firebird Exhaust Upgrade Parts
16 parts verified to fit your 1973 Pontiac Firebird for a complete exhaust upgrade. A moderate DIY project — estimated 2-5 hours.
Cat-Back Exhaust
(2)primary
Headers
(5)primary
Fel-Pro
Fel-Pro Chevrolet Nova MS 9786 Intake and Exhaust Manifolds Combination Gasket
$13.68
Fel-Pro
Fel-Pro Pontiac Firebird MS 90111 Exhaust Manifold Gasket Set
$19.59
Fel-Pro
Fel-Pro Pontiac Firebird MS 9499 SH Exhaust Manifold Gasket Set
$15.46
Kooks Headers
Kooks LS Engine Header Bolts and Locking Hardware Qty 12 - M8 - 1.25 x 25mm Bolts
$60.63
Victor Reinz
MAHLE Original Buick LeSabre 75 Exhaust Manifold Set
$21.77
Mufflers
(8)primary
Cometic Gasket
Cometic Chevrolet Gen-3 Inline 6 .059in CFM-20 Intake Exhaust Manifold Gasket
$57.06
Cometic Gasket
Cometic GM Small Block Aluminum/Rubber Exhaust Port Cover Set - 18 Degree Heads
$64.84
Cometic Gasket
Cometic Pontiac 326-455 CI V8 .043in Copper Exhaust Manifold Gasket Set - 2.000in x 1.550in D-Ports
$45.66
Cometic Gasket
Cometic Pontiac 326-455 V8 .064in ArmorCore Exhaust Manifold Gasket Set
$25.93
Cometic Gasket
Cometic Pontiac 326/350/389/400/421/428/455 V8 .030in MLS Exhaust Manifold Gasket Set
$46.80
Cometic Gasket
Cometic Pontiac V8 .094in HTG Exhaust Manifold Gasket Set - 1.940in x 1.500in D/Oval Ports
$30.20
Kooks Headers
Kooks GM LSX Cylinder Heads Cometic MLS (Multi-Layer Steel) Exhaust Gaskets
$38.77
Victor Reinz
MAHLE Original Buick Apollo 75-73 Intake To Exhaust Hot Spot
$3.00
Exhaust Upgrade for Other Pontiac Firebird Years
Other Jobs for Your 1973 Pontiac Firebird
Frequently Asked Questions
What parts do I need for a exhaust upgrade on my 1973 Pontiac Firebird?
A complete exhaust upgrade on the 1973 Pontiac Firebird typically requires cat-back exhaust, headers, mufflers. All parts shown on this page are verified to fit your specific vehicle.
How long does a exhaust upgrade take on a 1973 Pontiac Firebird?
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 1973 Pontiac Firebird?
Yes, all parts on this page are verified to fit the 1973 Pontiac Firebird 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 1973 Pontiac Firebird?
We carry exhaust upgrade parts from trusted brands including Magnaflow, Fel-Pro, Kooks Headers, Victor Reinz, and Cometic Gasket. Filter by brand to find your preferred manufacturer.
How much does a exhaust upgrade cost for a 1973 Pontiac Firebird?
The cost of a exhaust upgrade for the 1973 Pontiac Firebird 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.