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1981 BUICK REGAL Exhaust Systems
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- Color: Black
- Sound Level: Moderate Sound
- Inlet Diameter (in): 2
- Outlet Diameter (in): 2
- Fitment: Universal
- Body Shape: Oval
- Body Length (in): 17
- Body Width (in): 9.75
- Body Height (in): 4
- Overall Length (in): 23
- Inlet Connection Type: Pipe Connection
- Outlet Connection Type: Pipe Connection
- Inlet Position: Offset
- Outlet Position: Center
- Mount Type: Uses New Hangers (Not Included)
- Muffler Series: 50 Series Delta Flow
- Muffler Type: Reflection
- Material: Aluminized Steel
- Automotive Item Grade: High Performance
Fitment:
1981 BUICK REGAL BASE, LIMITED, SPORT / 3.8L V6 GAS, 4.3L V8 GAS, 5.7L V8 Diesel / Offset/Center / 2.00" / 2.00"
C$224.35 -
- Series: Standard
- Material: Stainless
- Carb Compliant: No
- Converter Configuration: Universal
- Main Piping Diameter: 2.5"
- Inlet Diameter: 2.5"
- Outlet Diameter: 2.5"
- Body Length: 12"
- Body Width: 5.5"
- Overall Length: 16"
- Body Material: Stainless
- Catalytic Converter Format: Pre-Catalytic Converter And Main Catalytic Converter
- Catalytic Converter Substrate Material: Ceramic
- Catalytic Converter Body Material: Stainless
- Air Tube Adapter: Pre-Installed
- O2 Sensor Location: N/A
Fitment:
1981 BUICK REGAL BASE, LIMITED, SPORT / 3.8L V6 GAS, 4.3L V8 GAS / 2.50" / 2.50"
C$171.00 -
- Color: Black
- Sound Level: Moderate Sound
- Inlet Diameter (in): 2.25
- Outlet Diameter (in): 2.25
- Fitment: Universal
- Body Shape: Oval
- Body Length (in): 17
- Body Width (in): 9.75
- Body Height (in): 4
- Overall Length (in): 23
- Inlet Connection Type: Pipe Connection
- Outlet Connection Type: Pipe Connection
- Inlet Position: Offset
- Outlet Position: Center
- Mount Type: Uses New Hangers (Not Included)
- Muffler Series: 50 Series Delta Flow
- Muffler Type: Reflection
- Material: Aluminized Steel
- Automotive Item Grade: High Performance
Fitment:
1981 BUICK REGAL BASE, LIMITED, SPORT / 3.8L V6 GAS, 4.3L V8 GAS, 5.7L V8 Diesel / Offset/Center / 2.25" / 2.25"
C$223.93 -
- Series: Standard
- Material: Stainless
- Carb Compliant: No
- Converter Configuration: Direct-Fit
- Main Piping Diameter: 2.25"
- Inlet Diameter: 2.5"
- Outlet Diameter: 2.5"
- Body Length: 12"
- Body Width: 5"
- Overall Length: 22.25"
- Body Material: Stainless
- Catalytic Converter Format: Pre-Catalytic Converter And Main Catalytic Converter
- Catalytic Converter Substrate Material: Ceramic
- Catalytic Converter Body Material: Stainless
- Exhaust Pipe Material: Stainless Steel
- Air Tube Adapter: Pre-Installed
- O2 Sensor Location: Pre And Post Converter
- Exhaust Component Mount Type: Uses Factory Hangers
Fitment:
1981 BUICK REGAL BASE, LIMITED / 3.8L V6 GAS, 4.3L V8 GAS / 2.50" / 2.50"
C$235.25 -
- Series: Standard
- Material: Stainless
- Carb Compliant: No
- Converter Configuration: Direct-Fit
- Main Piping Diameter: 2.5"
- Inlet Diameter: 2.5"
- Outlet Diameter: 2.5"
- Body Length: 12"
- Body Width: 5"
- Overall Length: 20.75"
- Body Material: Stainless
- Catalytic Converter Format: Pre-Catalytic Converter And Main Catalytic Converter
- Catalytic Converter Substrate Material: Ceramic
- Catalytic Converter Body Material: Stainless
- Exhaust Pipe Material: Stainless Steel
- Air Tube Adapter: Pre-Installed
- O2 Sensor Location: Pre And Post Converter
- Exhaust Component Mount Type: Uses Factory Hangers
- Components: 2 Gaskets
Fitment:
1981 BUICK REGAL SPORT / 3.8L V6 GAS / 2.50" / 2.50"
C$224.99 -
- Color: Gray
- System Type: Tailpipe Kit
- Tubing Diameter (in): 2.5
- Inlet Diameter (in): 2.5
- Outlet Diameter (in): 2.5
- Fitment: Direct OE Replacement
- Overall Length (in): 65.25
- Exit Position: Dual Rear Exit
- Prevent Tailpipes - 2.50 in. Rear Exit - Pair
- Material: Aluminized Steel
- Automotive Item Grade: High Performance
Fitment:
1981 BUICK REGAL BASE / 3.8L V6 GAS, 4.3L V8 GAS
C$392.15 -
- Port Style: Stock
- Gasket Material: Graphite coated aluminum core laminate
- Thickness (in): 0.070 in.
- Quantity: Sold as a pair.
Fitment:
1981 BUICK REGAL BASE, LIMITED, SPORT / 5.7L V8 Diesel
C$60.98 -
- Blackheart Adapter Pipe
- 3 in. Stainless Steel
Fitment:
1981 BUICK REGAL BASE, LIMITED, SPORT / 3.8L V6 GAS, 4.3L V8 GAS
C$660.98 -
- Quantity: Sold as a pair.
- Collector Attachment: 3-bolt flange
- Collector Diameter: 2.500 in.
- Bolts/Studs Included: Yes
- Gaskets Included: Yes
- Header Style: Block hugger
- Header Material: Steel
- Header Finish: Silver ceramic coated
- Weld-Up: No
- Primary Tube Diameter (in): 1 5/8 in.
- Cylinder Head Port Shape: D-port
- Tuned: Yes
- Primary Tube Gauge: 18-gauge
- Flange Style: Standard
- Flange Thickness (in): 5/16 in.
- Reducers Included: No
- Y-Pipe Included: No
- Motor Mounts Included: No
- Transmission Mount Included: No
Fitment:
1981 BUICK REGAL BASE, LIMITED / 4.3L V8 GAS
C$900.98 -
Fitment:
1981 BUICK REGAL BASE, LIMITED, SPORT / 5.7L V8 Diesel / Center/Center / 2.00" / 2.00"
C$102.71 -
Key Features:- Aluminum Header Gasket
- Square Port Shape
- Port Dimensions W-1.25 in. x H-1.30 in.
Fitment:
1981 BUICK REGAL 4.3L V8 GAS
C$44.88 -
If you're looking for the perfect headers, there is no better brand than Hedman Hedders! With Hedman's headers you receive an excellent combination of high quality and superior endurance. Hedman Standard Duty Series headers are available with three types of finish: Black Maxx, HTC, and Uncoated. Best of all, these outstanding headers are manufactured in the USA and come with a lifetime warranty against manufacturing defects. Plus, the Black Maxx and HTC coatings are provided with a 5-year warranty.Fitment:
1981 BUICK REGAL GAS
C$895.98 -
Hedman Hedders Ls Cast Manifolds are made from the highest quality materials, and guarantee to deliver superior functionality and durability.Fitment:
1981 BUICK REGAL Rear Wheel Drive
C$570.52 -
Hedman Hedders Ls Cast Manifolds are made from the highest quality materials, and guarantee to deliver superior functionality and durability.Fitment:
1981 BUICK REGAL Rear Wheel Drive
C$807.22 -
If you're looking for the perfect headers, there is no better brand than Hedman Hedders! With Hedman's headers you receive an excellent combination of high quality and superior endurance. The Elite Series is Hedman's premium series of headers. Elite Ultra Duty Street Headers feature solid flanges, sturdy wall tubing and a thermal coating that is able to endure even the most severe conditions. Burnout and exhaust leaks are prevented, thanks to Elite Headers' durable construction. Best of all, these outstanding headers are manufactured in the USA and come with a lifetime warranty against manufacturing defects.Fitment:
1981 BUICK REGAL Rear Wheel Drive
C$954.55 -
Key Features:- ELITE Ultra Duty Street Headers
- Tube Size 1 5/8 in.
- Collector Size 3 in.
- Incl. Headers/Gaskets/3 Bolt Adapters/Mtg. Hwd
- BLACK MAXX Ceramic Metallic
- w/A.I.R.
- CARB E.O. D-167-33
Fitment:
1981 BUICK REGAL GAS
C$990.98 -
Key Features:- Standard Duty Uncoated Headers
- Tube Size 1.5 in.
- Collector Size 3 in.
- Full Length Long Tube
- Uncoated
- CARB E.O. D-167-33
Fitment:
1981 BUICK REGAL GAS
C$458.77 -
If you're looking for the perfect headers, there is no better brand than Hedman Hedders! With Hedman's headers you receive an excellent combination of high quality and superior endurance. The Elite Series is Hedman's premium series of headers. Elite Ultra Duty Street Headers feature solid flanges, sturdy wall tubing and a thermal coating that is able to endure even the most severe conditions. Burnout and exhaust leaks are prevented, thanks to Elite Headers' durable construction. Best of all, these outstanding headers are manufactured in the USA and come with a lifetime warranty against manufacturing defects.Fitment:
1981 BUICK REGAL GAS
C$967.98 -
Key Features:- Standard Duty HTC Coated Headers
- Tube Size 1.5 in.
- Collector Size 3 in.
- w/o A.I.R.
- Full Length Long Tube
- Polished Ceramic Metallic
- CARB E.O. D-167-33
Fitment:
1981 BUICK REGAL GAS
C$670.98 -
Key Features:- Exhaust Header Gasket
Fitment:
1981 BUICK REGAL 3.8L V6 GAS
C$61.98