1981 Pontiac Firebird Exhaust Systems
Select Your Submodel
-
MagnaFlow®Pre-OBDII Direct Fit Oval Body Catalytic ConverterPontiac Firebird 3.8L / 4.3L with PRE-OBDII Standard 1981, Pre-OBDII Catalytic Converter by MagnaFlow®. Converter Configuration: Direct Fit. Catalytic Converter Body Shape: Oval. With 1 Air Tube. Without O2 Sensor Port. Catalytic Inlet...$913.00 - ATP®Cast Iron Natural Exhaust ManifoldPontiac Firebird 5.0L 1981, Natural Cast Iron Exhaust Manifold by ATP®. Color: Natural. Header Coating: Uncoated. ATP Graywerks Exhaust Manifolds are a high quality OE replacement alternative. Each manifold is developed off of the...Manufactured to OE design ensuring manifold will line up and flow like the original unitHigh grade metallurgy resists fatigue cracking and breakage$137.23 - $259.93
- AP Exhaust®MSL Maximum Aluminized Steel Oval Direct-Fit Exhaust Muffler with Inlet/Outlet NeckPontiac Firebird 1981, MSL Maximum Aluminized Steel Oval Direct-Fit Exhaust Muffler with Inlet/Outlet Neck by AP Exhaust®. Muffler Inlet Diameter: 2". Muffler Outlet Diameter: 2". Muffler Body Length: 10". Muffler Overall Length: 14.5"....Designed for a quiet ride100% aluminized components for longer life$31.99
- MagnaFlow®Street Series™ Stainless Steel Cat-Back Exhaust System with Split Rear ExitPontiac Firebird 4.9L / 5.0L 1981, Street Series™ Stainless Steel Cat-Back Exhaust System with Split Rear Exit by MagnaFlow®. Exhaust System Type: Cat-Back. Exhaust Tubing Material: Stainless Steel. Main Tubing Diameter: 2.5". Exhaust...$962.00
- Pypes®409 SS Crossmember-Back Exhaust System with Split Rear ExitPontiac Firebird 1981, 409 SS Crossmember-Back Exhaust System with Split Rear Exit by Pypes®. Exhaust System Type: Crossmember-Back. Exhaust Tubing Material: 409 SS. Get a lot of bang for your performance buck with this rewarding...$389.75 - $873.75$429.75 - $913.75Save up to 9%
- Pypes®409 SS Header-Back Exhaust System with Split Rear ExitPontiac Firebird 1981, 409 SS Header-Back Exhaust System with Split Rear Exit by Pypes®. With 2.5" Intermediate and Tail Pipe. Exhaust System Type: Header-Back. Exhaust Tubing Material: 409 SS. Main Tubing Diameter: 2.5". Exhaust System...$999.75 - $1,193.75$1,039.75 - $1,233.75Save up to 4%
- Patriot Exhaust®Clippster Steel Mid-Length Tube Exhaust HeadersPontiac Firebird Automatic Transmission 1981, Clippster Steel Mid-Length Tube Exhaust Headers by Patriot Exhaust®. Primary Tubing Diameter: 1.625". Collector Outlet Diameter: 3". Header Style: Mid-Length Tube. Header made from Steel....Mid length or "clippster" headers provide improved ground clearance for popular muscle cars and street rodsDurable 16 and 18 gauge tubing$311.95 - $552.06
- Dorman®Natural Exhaust ManifoldPontiac Firebird 5.0L 1981, Natural Exhaust Manifold by Dorman®. Color: Natural. Header Coating: Uncoated. This exhaust manifold was precision-engineered and durably manufactured to match the fit and function of the original manifold on...Ideal replacement - this exhaust manifold was precision-engineered and durably manufactured to match the fit and function of the stock manifold on specified vehiclesReliable construction - durable materials resist warping, cracking and leaking for long-lasting performance$115.09 - $115.88
- Walker®Replacement Exhaust KitPontiac Firebird 1981, Replacement Exhaust Kit by Walker®. If you are looking for the ultimate in quality and value, then this superior replacement exhaust kit by Walker is what you need. All its components are designed with precision...Mufflers and Resonators Designed for OE equivalent sound and precision fitOE-style louvered tube technology for a premium, factory-like sound$38.19 - $514.07
- MagnaFlow®Pre-OBDII Universal Fit Oval Body Catalytic ConverterPontiac Firebird with PRE-OBDII Standard 1981, Pre-OBDII Catalytic Converter by MagnaFlow®. Converter Configuration: Universal Fit. Catalytic Converter Body Shape: Oval. With 1 Air Tube. Without O2 Sensor Port. Catalytic Converter...$695.00
- MagnaFlow®Standard Universal Fit Oval Body Catalytic ConverterPontiac Firebird 1981, Standard Catalytic Converter by MagnaFlow®. Converter Configuration: Universal Fit. Catalytic Converter Body Shape: Oval. With Air Tube. Without O2 Sensor Port. Catalytic Converter Overall Length: 16". If your car...$126.00
- AP Exhaust®Standard Duty Universal Fit Oval Body Catalytic ConverterPontiac Firebird 1981, Standard Duty Catalytic Converter by AP Exhaust®. Converter Configuration: Universal Fit. Catalytic Converter Body Shape: Oval. Without O2 Sensor Port. Catalytic Inlet Diameter: 2.25". Catalytic Outlet Diameter:...$82.40 - $95.99
- Walker®Quiet-Flow™ Steel Oval Aluminized Exhaust MufflerPontiac Firebird with Dual Exhaust and without High Performance Engine 1981, Quiet-Flow™ Steel Oval Aluminized Exhaust Muffler by Walker®. Muffler Inlet Diameter: 2". Muffler Outlet Diameter: 2.25". Muffler Body Length: 11". Muffler...Designed for OE equivalent sound and precision fitSpun-locked heads for a proper resistance to backfire$46.69
- AP Exhaust®Enforcer Series Aluminized Steel Oval Glass Pack Exhaust Muffler with Inlet and Outlet NeckPontiac Firebird 3.8L / 4.3L / 4.4L 1981, Enforcer Series Aluminized Steel Oval Glass Pack Exhaust Muffler with Inlet and Outlet Neck by AP Exhaust®. Muffler Inlet Diameter: 2". Muffler Outlet Diameter: 2". Muffler Body Length: 19"....Aluminized materials for superior corrosion protectionIdeal for the economy buyer$25.30
- MagnaFlow®Standard Direct Fit Catalytic ConverterPontiac Firebird 3.8L / 4.3L / 4.4L 1981, Standard Catalytic Converter by MagnaFlow®. Converter Configuration: Direct Fit. With Air Tube. Without O2 Sensor Port. Catalytic Inlet Diameter: 2.5". Catalytic Outlet Diameter: 2.5". Catalytic...$166.00
- AERO Exhaust®AR Series 304 Stainless Steel Round Performance Exhaust ResonatorPontiac Firebird 5.0L 1981, AR Series 304 Stainless Steel Round Performance Exhaust Resonator by AERO Exhaust®. Resonator Inlet Diameter: 2.5". Resonator Outlet Diameter: 2.5". Resonator Body Length: 10". Resonator Overall Length: 14"....$59.99
- Walker®CalCat™ Universal Fit Catalytic ConverterPontiac Firebird 1981, CalCat™ Catalytic Converter by Walker®. Converter Configuration: Universal Fit. Without O2 Sensor Port. Catalytic Converter Overall Length: 13.25". Specifically designed to comply with the California Air...$418.20 - $588.98
- iD Select®Standard Universal Fit Oval Body Catalytic ConverterPontiac Firebird 1981, Standard Catalytic Converter by iD Select®. Converter Configuration: Universal Fit. Location: Undercar. Catalytic Converter Body Shape: Oval. Without Air Tube. Without O2 Sensor Port. Catalytic Inlet Diameter:...$72.47
- AERO Exhaust®Turbine Series Round Performance Exhaust MufflerPontiac Firebird 5.0L 1981, Turbine Series Round Performance Exhaust Muffler by AERO Exhaust®. Muffler Body Length: 14". Muffler Overall Length: 20". Muffler Sound: Aggressive / Loud. Muffler Configuration: Center - Center. The AERO...$149.99
- AERO Exhaust®TR Series 304 Stainless Steel Round Performance Exhaust ResonatorPontiac Firebird 5.0L 1981, TR Series 304 Stainless Steel Round Performance Exhaust Resonator by AERO Exhaust®. Resonator Sound: Moderate. Resonator Configuration: Center - Center. The TR Series Resonators are the most popular...$59.99 - $99.99
- SKP®Exhaust ManifoldPontiac Firebird 5.0L 1981, Exhaust Manifold by SKP®. Put your vehicle back to its original condition with this top-notch transfer case component designed to efficiently transmit the engine power to both the front and rear axles through...Designed to send the engine power to both the front and rear axlesDirect-fit replacement for your overworked, out-of-shape transfer case$80.98
- Flowmaster®40 Series Delta Flow™ Aluminized Steel Oval Black Exhaust MufflerPontiac Firebird 1981, 40 Series Delta Flow™ Aluminized Steel Oval Black Exhaust Muffler by Flowmaster®. Muffler Body Length: 13". Muffler Overall Length: 19". Muffler Sound: Aggressive / Loud. Muffler Structure: Chambered. Muffler...$133.95
- CATCO®Pre-OBDII Universal Fit Oval Body Standard Duty Catalytic ConverterPontiac Firebird with California Emission / with Federal Emission 1981, Pre-OBDII Standard Duty Catalytic Converter by CATCO®. Converter Configuration: Universal Fit. Catalytic Converter Body Shape: Oval. Without O2 Sensor Port....$59.23 - $155.76
- Flowmaster®40 Series Delta Force™ Aluminized Steel Oval Black Exhaust MufflerPontiac Firebird 1981, 40 Series Delta Force™ Aluminized Steel Oval Black Exhaust Muffler by Flowmaster®. Without Hangers. Muffler Body Length: 13". Muffler Overall Length: 19". Muffler Sound: Aggressive / Loud. Muffler Structure:...$99.95
- Walker®Ultra™ Universal Fit Small Oval Body Catalytic ConverterPontiac Firebird 1981, Ultra™ Catalytic Converter by Walker®. Converter Configuration: Universal Fit. Catalytic Converter Body Shape: Small Oval. With 1 Inlet. Without O2 Sensor Port. Catalytic Converter Overall Length: 13.25"....$82.89 - $129.20
- ARP®Header Bolt KitPontiac Firebird 5.0L 1981, Header Bolt Kit by ARP®. ARP manufactures a variety of premium grade bolt and stud kits to facilitate installation of exhaust headers including the popular stainless stud kit with 12-point nuts. The Stainless...Designed to unlock more performance out of your vehicleDeliver a reasonable balance of strength and durability$21.63 - $119.06
- Stainless Works®Stainless Steel Mill Long Tube Exhaust Headers with Factory ConnectPontiac Firebird With Small Block Engine 1981, Stainless Steel Mill Long Tube Exhaust Headers with Factory Connect by Stainless Works®. Primary Tubing Diameter: 1.625". Collector Outlet Diameter: 3". Color: Silver. Header Coating:...Designed to meet strict quality standards0.375" Laser Cut Flanges$1,369.90
- Kooks®Stage 8 Locking Exhaust Header Bolt KitPontiac Firebird 1981, Stage 8 Locking Exhaust Header Bolt Kit by Kooks®. This product is made of high-quality materials to serve you for years to come. Designed using state-of-the-art technology and with customers in mind, this product...Expertly crafted from premium materialsDesigned to match rigorous quality standards$54.00
- Stage 8®Header Locking Bolt KitPontiac Firebird 1981, Header Locking Bolt Kit by Stage 8®. Stage 8 locking fastener solutions are fail-safe when used and installed as directed. They are removable and reusable and can be visually inspected; if the locking retainer and...Thoughtfully designed for the highest efficiency and safetyWill provide more breakaway torque than any other locking system$68.22 - $75.82
- Trans-Dapt®Small Head Exhaust Header BoltsPontiac Firebird 5.0L with Small Block Chevy Engine 1981, Small Head Exhaust Header Bolts by Trans-Dapt®. This Trans-Dapt product is just the option for you in case you want to get the most out of your auto. It is made from first-rate...High quality at an affordable priceExpertly made from premium materials$6.72
Shop By Service Type
Popular Products
- $109.88 - $114.01
- $80.44 - $147.77
1981 Pontiac Firebird Exhaust Reviews
5 reviews
I Would Definitely Buy Again
SLP® - Loud Mouth™ Stainless Steel Round Bullet-Type Silver Exhaust Resonator (2.5" Center ID, 2.5" Center OD, 14" Length)Posted by Robert (Monroe, WI) / November 20, 20222000 Dodge Dakota
1981 Pontiac Firebird Models
Popular Searches