1991 Buick Regal Exhaust Systems
Select Your Submodel
-
MagnaFlow®Standard Direct Fit Catalytic ConverterBuick Regal 3.1L 1991, Standard Catalytic Converter by MagnaFlow®. Converter Configuration: Direct Fit. Without Air Tube. With Pre and Post-Cat O2 Sensor Ports. Catalytic Inlet Diameter: 2". Catalytic Outlet Diameter: 2". Catalytic...$148.00 - AP Exhaust®MSL Maximum Aluminized Steel Oval Direct-Fit Exhaust Muffler with Inlet Neck and SpoutBuick Regal 3.1L 1991, MSL Maximum Aluminized Steel Oval Direct-Fit Exhaust Muffler with Inlet Neck and Spout by AP Exhaust®. Muffler Inlet Diameter: 1.88". Muffler Outlet Diameter: 2". Muffler Body Length: 15". Muffler Overall Length:...Designed for a quiet ride100% aluminized components for longer life$44.89
- Davico®Direct Fit Catalytic ConverterBuick Regal 3.1L 1991, Catalytic Converter by Davico®. Converter Configuration: Direct Fit. Position: Center. Gaskets Not Required. This direct-fit catalytic converter by Davico will be a great solution to replace your failed or damaged...$148.12 - $161.06
- Walker®SoundFX™ Steel Oval Direct-Fit Aluminized Exhaust MufflerBuick Regal 1991, SoundFX™ Steel Oval Direct-Fit Aluminized Exhaust Muffler by Walker®. Muffler Outlet Diameter: 2". Muffler Body Length: 16". Muffler Configuration: Offset - Centered. This muffler is the right choice if you opt for...Designed to deliver ultimate performance and pleasing sound qualityOE-equivalent direct-fit design$41.86 - $49.02
- Walker®SoundFX™ Steel Oval Aluminized Exhaust MufflerBuick Regal 1991, SoundFX™ Steel Oval Aluminized Exhaust Muffler by Walker®. Optional. Muffler Inlet Diameter: 2". Muffler Outlet Diameter: 2". Muffler Body Length: 16". Muffler Overall Length: 19.75". Muffler Configuration: Offset -...Designed to deliver ultimate performance and pleasing sound quality100% aluminized material$50.48
- iD Select®Standard Universal Fit Oval Body Catalytic ConverterBuick Regal 1991, 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 Converter Overall...$80.44
- Walker®Replacement Exhaust KitBuick Regal 1991, 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$41.86 - $419.54
- MagnaFlow®Pre-OBDII Universal Fit Round Body Catalytic ConverterBuick Regal with PRE-OBDII Standard 1991, Pre-OBDII Catalytic Converter by MagnaFlow®. Converter Configuration: Universal Fit. Catalytic Converter Body Shape: Round. Without Air Tube. Without O2 Sensor Port. Aftermarket Style. OE Spec....$560.00
- MagnaFlow®Standard Universal Fit Oval Body Catalytic ConverterBuick Regal 1991, Standard Catalytic Converter by MagnaFlow®. Converter Configuration: Universal Fit. Catalytic Converter Body Shape: Oval. Without Air Tube. Without O2 Sensor Port. Catalytic Converter Overall Length: 13". If your car...$100.00
- AP Exhaust®Enforcer Series Aluminized Steel Oval Glass Pack Exhaust Muffler with Inlet and Outlet NeckBuick Regal 3.1L 1991, Enforcer Series Aluminized Steel Oval Glass Pack Exhaust Muffler with Inlet and Outlet Neck by AP Exhaust®. Muffler Inlet Diameter: 1.75". Muffler Outlet Diameter: 1.75". Muffler Body Length: 15". Muffler Overall...Aluminized materials for superior corrosion protectionIdeal for the economy buyer$25.12
- Walker®CalCat™ Universal Fit Catalytic ConverterBuick Regal 1991, CalCat™ Catalytic Converter by Walker®. Converter Configuration: Universal Fit. Catalytic Converter Overall Length: 13.25". Specifically designed to comply with the California Air Resources Board (CARB) Regulations....$418.20 - $525.16
- Davico®Exhaust Manifold with Integrated Catalytic ConverterBuick Regal 3.1L 1991, Exhaust Manifold with Integrated Catalytic Converter by Davico®. Without Gaskets. This product by Davico will be a great solution to replace your failed or damaged catalytic converter. Once your stock cat fails to...Helps your vehicle emit harmless gasesDirect OEM replacement$390.00
- AP Exhaust®Standard Duty Universal Fit Oval Body Catalytic ConverterBuick Regal 1991, Standard Duty Catalytic Converter by AP Exhaust®. Converter Configuration: Universal Fit. Catalytic Converter Body Shape: Oval. Without Air Tube. Without O2 Sensor Port. Catalytic Converter Overall Length: 14"....$82.40
- AP Exhaust®Replacement Exhaust KitBuick Regal 1991, Replacement Exhaust Kit by AP Exhaust®. Today’s exhaust performance market continues to cover a broad spectrum of vehicles. The unique nature of this market is that a product demand is not based on vehicle age or use...Superior replacement for your worn out exhaust partHelps put your vehicle back to its tip-top shape$44.89 - $82.40
- CATCO®Pre-OBDII Universal Fit Oval Body Standard Duty Catalytic ConverterBuick Regal with California Emission / with Federal Emission 1991, Pre-OBDII Standard Duty Catalytic Converter by CATCO®. Converter Configuration: Universal Fit. Catalytic Converter Body Shape: Oval. Without Air Tube. Without O2 Sensor...$144.46 - $155.76
- Davico®Universal Fit Catalytic ConverterBuick Regal 1991, Catalytic Converter by Davico®. Converter Configuration: Universal Fit. Position: Rear. Catalytic Converter Overall Length: 15". This Universal fit catalytic converter by Davico will be a great solution to replace your...$122.58
- BRExhaust®Exhaust Muffler AssemblyBuick Regal 3.1L 1991, Exhaust Muffler Assembly by BRExhaust®. This product is constructed by one of the leading OE suppliers to provide OE-style performance and maintain a factory-like sound. The direct-fit configuration allows for...Aluminized steel construction for maximum durabilityOne Piece interior to end cap construction to reduce flex and stand up to vehicle vibration$44.26
- Walker®Ultra™ Universal Fit Small Oval Body Catalytic ConverterBuick Regal 1991, Ultra™ Catalytic Converter by Walker®. Converter Configuration: Universal Fit. Catalytic Converter Body Shape: Small Oval. With 1 Inlet. Without Air Tube. Without O2 Sensor Port. Catalytic Converter Overall Length:...$77.57 - $78.36
- Eastern Catalytic®Standard Universal Fit Oval Body Catalytic ConverterBuick Regal 1991, Standard Catalytic Converter by Eastern Catalytic®. Converter Configuration: Universal Fit. Location: Undercar. Catalytic Converter Body Shape: Oval. Without Air Tube. Without O2 Sensor Port. Catalytic Converter...$119.88
- Walker®Aluminized Steel Exhaust Intermediate PipeBuick Regal 1991, Aluminized Steel Exhaust Intermediate Pipe by Walker®. With their extensive selection of accessories and hardware for the exhaust system, Walker will provide you with everything needed to do the complete exhaust job....Made of high quality aluminized steelCorrosion resistant$32.88 - $83.54
- Walker®Exhaust Pipe Flange GasketBuick Regal 1991, Exhaust Pipe Flange Gasket by Walker®. With their extensive selection of accessories and hardware for the exhaust system, Walker will provide you with everything needed to do the complete exhaust job. When you choose...Makes installation quick and easyOptimal OE-style fit and quality$2.76 - $11.64
- Walker®Aluminized Steel Exhaust Extension PipeBuick Regal 3.1L 1991, Aluminized Steel Exhaust Extension Pipe by Walker®. Main Piping Diameter: 2". With their extensive selection of accessories and hardware for the exhaust system, Walker will provide you with everything needed to do...Makes installation quick and easyOptimal OE-style fit and quality$33.16
- Fel-Pro®Exhaust Manifold Gasket SetBuick Regal 3.8L 1991, Exhaust Manifold Gasket Set by Fel-Pro®. If you need durable gaskets to prevent leaks on your vehicle, Fel-Pro is the way to go. Engineered using the latest technologies and global engineering resources, the...Ensures reliable sealing performanceMade using advanced technologies and molded rubber chemistry$9.98 - $34.01
- Mahle®Exhaust Pipe Flange GasketBuick Regal 1991, Exhaust Pipe Flange Gasket by Mahle®. 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. It will meet your needs and...High quality at an affordable priceExpertly made from premium materials$8.08 - $9.75
- Fel-Pro®Exhaust Pipe Flange GasketBuick Regal 1991, Exhaust Pipe Flange Gasket by Fel-Pro®. Location: Pipe to Manifold. If you need durable gaskets to prevent leaks on your vehicle, Fel-Pro is the way to go. Engineered using the latest technologies and global...Direct OEM replacement for a proper fitEnsures reliable sealing performance$6.58 - $7.73
- Apex Auto®Exhaust Manifold Gasket SetBuick Regal 1991, Exhaust Manifold Gasket Set by Apex Auto®. Designed utilizing the latest technology, this product by Apex Auto features premium quality and will perform better than advertised. Perfect for your vehicle and lifestyle,...Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle$7.47 - $13.13
- Dorman®Rubber Black Exhaust HangerBuick Regal 1991, Rubber Black Exhaust Hanger by Dorman®. Position: Front. Dorman’s Exhaust Hanger installs easily to mount the exhaust to the vehicle. The Hanger is constructed from high-quality, heat-resistant materials for...Direct replacement for a proper fitReplacement restores the exhaust to proper operation$11.29
- Walker®Heavy Duty Steel Natural U-Bolt ClampBuick Regal 1991, Heavy Duty Steel Natural U-Bolt Clamp by Walker®. With their extensive selection of accessories and hardware for the exhaust system, Walker will provide you with everything needed to do the complete exhaust job. When...Makes installation quick and easyOptimal OE-style fit and quality$2.24 - $2.47
- AP Exhaust®DGM Style Natural Exhaust ClampBuick Regal 1991, DGM Style Natural Exhaust Clamp by AP Exhaust®. Today’s exhaust performance market continues to cover a broad spectrum of vehicles. The unique nature of this market is that a product demand is not based on vehicle...Made from first-rate materialsEnsures outstanding durability$1.48 - $1.80
- Dorman®Steel Exhaust SpringBuick Regal 1991, Steel Exhaust Spring by Dorman®. Position: Front. Designed for an exact fit, Dorman’s Exhaust Spring provides you with the proper flange spring for replacing the manifold. Save time and energy by having the right...Direct replacement for a proper fit every timeDurable steel construction$5.33
Shop By Service Type
Popular Products
- $76.50 - $145.18
- $44.95 - $54.95
- $24.54 - $112.50
1991 Buick Regal 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
1991 Buick Regal Models
Popular Searches