1981 Buick Regal Exhaust Systems
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MagnaFlow®Pre-OBDII Direct Fit Oval Body Catalytic ConverterBuick Regal 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 Diameter:...$913.00 - AP Exhaust®MSL Maximum Aluminized Steel Oval Direct-Fit Exhaust Muffler with Inlet/Outlet NeckBuick Regal 1981, MSL Maximum Aluminized Steel Oval Direct-Fit Exhaust Muffler with Inlet/Outlet Neck by AP Exhaust®. Muffler Outlet Diameter: 2". Muffler Body Length: 19". Muffler Overall Length: 23.75". Today’s exhaust performance...Designed for a quiet ride100% aluminized components for longer life$35.29 - $38.97
- Walker®SoundFX™ Steel Oval Direct-Fit Aluminized Exhaust MufflerBuick Regal 1981, SoundFX™ Steel Oval Direct-Fit Aluminized Exhaust Muffler by Walker®. Optional. Muffler Outlet Diameter: 2". This muffler is the right choice if you opt for quality acoustics and performance. Walker offers 100%...Designed to deliver ultimate performance and pleasing sound qualityOE-equivalent direct-fit design$40.14 - $50.08
- AP Exhaust®Enforcer Series Aluminized Steel Oval Glass Pack Exhaust Muffler with Inlet and Outlet NeckBuick Regal 1981, Enforcer Series Aluminized Steel Oval Glass Pack Exhaust Muffler with Inlet and Outlet Neck by AP Exhaust®. Muffler Outlet Diameter: 2". Muffler Body Length: 19". Muffler Overall Length: 26". Muffler Configuration:...Aluminized materials for superior corrosion protectionIdeal for the economy buyer$25.58 - $25.65
- Walker®SoundFX™ Steel Oval Aluminized Exhaust MufflerBuick Regal 1981, SoundFX™ Steel Oval Aluminized Exhaust Muffler by Walker®. Optional. Muffler Inlet Diameter: 2". Muffler Outlet Diameter: 2". Muffler Body Length: 19". Muffler Overall Length: 23.75". Muffler Configuration: Offset -...Designed to deliver ultimate performance and pleasing sound quality100% aluminized material$46.81
- iD Select®Standard Universal Fit Oval Body Catalytic ConverterBuick Regal 3.8L 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
- Walker®Replacement Exhaust KitBuick Regal 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$45.49 - $514.07
- AERO Exhaust®AR Series 304 Stainless Steel Round Performance Exhaust ResonatorBuick Regal 5.7L 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
- MagnaFlow®Pre-OBDII Universal Fit Oval Body Catalytic ConverterBuick Regal 4.3L 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 Inlet Diameter:...$695.00
- MagnaFlow®Standard Universal Fit Oval Body Catalytic ConverterBuick Regal 1981, Standard Catalytic Converter by MagnaFlow®. Converter Configuration: Universal Fit. Catalytic Converter Body Shape: Oval. Without O2 Sensor Port. Catalytic Converter Overall Length: 16". If your car needs a new...$119.00 - $126.00
- MagnaFlow®Standard Direct Fit Catalytic ConverterBuick Regal 1981, Standard Catalytic Converter by MagnaFlow®. Converter Configuration: Direct Fit. Catalytic Inlet Diameter: 2.5". Catalytic Outlet Diameter: 2.5". If your car needs replacement, install one that will get you through the...$156.00 - $333.00
- Walker®CalCat™ Universal Fit Catalytic ConverterBuick Regal 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 Resources...$418.20 - $588.98
- AERO Exhaust®TR Series 304 Stainless Steel Round Performance Exhaust ResonatorBuick Regal 5.7L 1981, TR Series 304 Stainless Steel Round Performance Exhaust Resonator by AERO Exhaust®. Resonator Inlet Diameter: 2.5". Resonator Outlet Diameter: 2.5". Resonator Sound: Moderate. Resonator Configuration: Center -...$65.99 - $78.99
- AERO Exhaust®Turbine Series Round Performance Exhaust MufflerBuick Regal 5.7L 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 Exhaust...$149.99
- AP Exhaust®Standard Duty Universal Fit Oval Body Catalytic ConverterBuick Regal 1981, Standard Duty Catalytic Converter by AP Exhaust®. Converter Configuration: Universal Fit. Catalytic Converter Body Shape: Oval. Without O2 Sensor Port. Catalytic Converter Overall Length: 14". Today’s exhaust...$82.40 - $95.99
- Davico®Exhaust Manifold with Integrated Catalytic ConverterBuick Regal A / J / S Engine VIN Character 1981, Exhaust Manifold with Integrated Catalytic Converter by Davico®. This product by Davico will be a great solution to replace your failed or damaged catalytic converter. Once your stock cat...Helps your vehicle emit harmless gasesDirect OEM replacement$410.45 - $470.33
- Pypes®409 SS Exhaust System with Split Rear ExitBuick Regal 1981, 409 SS Exhaust System with Split Rear Exit by Pypes®. Exhaust Tubing Material: 409 SS. Get a lot of bang for your performance buck with this rewarding exhaust system by Pypes Exhaust. It's a perfect way to beef up...$430.75 - $1,206.75$470.75 - $1,246.75Save up to 8%
- Pypes®409 SS Header-Back Exhaust System with Split Side ExitBuick Regal 1981, 409 SS Header-Back Exhaust System with Split Side Exit by Pypes®. With X-Pipe. Comes with catalytic converters. With 2.5" Intermediate and Tail Pipe. Exhaust System Type: Header-Back. Exhaust Tubing Material: 409 SS....$908.75 - $1,047.75$948.75 - $1,087.75Save 4%
- Davico®Exhaust MufflerBuick Regal 3.8L / 4.3L / 4.4L 1981, Exhaust Muffler by Davico®. Muffler Inlet Diameter: 2". Muffler Outlet Diameter: 2". Muffler Body Length: 10.5". Muffler Overall Length: 23.75". This product is made of high-quality materials to...High quality at an affordable priceExpertly made from premium materials$42.11
- AERO Exhaust®Turbine XL Series Round Performance Exhaust Muffler with Integrated ResonatorBuick Regal 5.7L 1981, Turbine XL Series Round Performance Exhaust Muffler with Integrated Resonator by AERO Exhaust®. Muffler Body Length: 20". Muffler Overall Length: 26". Muffler Sound: Moderate. Muffler Configuration: Center -...$169.99
- Eastern Catalytic®Standard Direct Fit Catalytic Converter and Pipe AssemblyBuick Regal 3 Engine VIN Character 1981, Standard Catalytic Converter and Pipe Assembly by Eastern Catalytic®. Converter Configuration: Direct Fit. Location: Undercar. Without O2 Sensor Port. Catalytic Converter Overall Length: 20". If...$125.44
- CATCO®Pre-OBDII Universal Fit Oval Body Standard Duty Catalytic ConverterBuick Regal 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. Catalytic...$59.23 - $144.46
- BRExhaust®Replacement Exhaust KitBuick Regal 1981, Replacement Exhaust Kit by BRExhaust®. Get confidence with this high-standard OE quality purchase which is perfect for those who want to perform a long-lasting exhaust system repair. Made from top-notch materials, this...Superior replacement for your worn out exhaust partHelps put your vehicle back to its tip-top shape$41.37 - $108.33
- Hedman Hedders®Standard Duty Mild Steel Long Tube Exhaust HeadersBuick Regal with Air Conditioning, Power Steering 1981, Standard Duty Mild Steel Long Tube Exhaust Headers by Hedman Hedders®. Primary Tubing Diameter: 1.5". Color: Silver. Header Style: Long Tube. The standard-duty Hedman Hedders come...Made of High Quality MaterialsBuilt to Last$328.43 - $745.45
- Flowmaster®50 Series Delta Flow™ Aluminized Steel Oval Black Exhaust MufflerBuick Regal 1981, 50 Series Delta Flow™ Aluminized Steel Oval Black Exhaust Muffler by Flowmaster®. Without Hangers. Muffler Body Length: 17". Muffler Overall Length: 23". Muffler Sound: Moderate. Muffler Structure: Chambered. Muffler...$153.95
- Walker®Ultra™ Universal Fit Small Oval Body Catalytic ConverterBuick Regal 1981, Ultra™ Catalytic Converter by Walker®. Converter Configuration: Universal Fit. Catalytic Converter Body Shape: Small Oval. With 1 Inlet. With Air Tube. Without O2 Sensor Port. Catalytic Converter Overall Length:...$146.57
- Eastern Catalytic®Standard Universal Fit Oval Body Catalytic ConverterBuick Regal 1981, Standard Catalytic Converter by Eastern Catalytic®. Converter Configuration: Universal Fit. Location: Undercar. Catalytic Converter Body Shape: Oval. Without O2 Sensor Port. Catalytic Inlet Diameter: 2.25". Catalytic...$119.88 - $127.76
- Stage 8®Header Locking Bolt KitBuick Regal 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 clip...Thoughtfully designed for the highest efficiency and safetyWill provide more breakaway torque than any other locking system$68.22 - $75.82
- Hedman Hedders®Cast Steel Exhaust ManifoldsBuick Regal with A/C, AutomaticTransmission / Manual Transmission, Chevrolet LS Engine / LS Engines 1981, Cast Steel Exhaust Manifolds by Hedman Hedders®. Primary Tubing Diameter: 1.625". These cast steel manifolds have a low profile....Made of High Quality Cast SteelBuilt to Last$422.30 - $512.44
- Hedman Hedders®Elite Ultra-Duty Mild Steel Silver Matte Ceramic-Metallic Mid-Length Tube Exhaust HeadersBuick Regal 4.3L / 4.4L / 5.7L with Air Conditioning, Power Steering, Angle Plug Heads, Gen 1 SB Chevy Engine, Automatic Transmission Column Shifter / Automatic Transmission Floor Shifter 1981, Elite Ultra-Duty Silver Matte...Made of High Quality MaterialsIdeal for Heavy Duty Applications$688.98 - $709.04
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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
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