1978 Oldsmobile Ninety-Eight Exhaust Systems
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Walker®SoundFX™ Steel Oval Direct-Fit Aluminized Exhaust MufflerOldsmobile Ninety-Eight 1978, SoundFX™ Steel Oval Direct-Fit Aluminized Exhaust Muffler by Walker®. Muffler Inlet Diameter: 2.25". Muffler Overall Length: 23". Muffler Configuration: Offset - Offset. This muffler is the right choice...Designed to deliver ultimate performance and pleasing sound qualityOE-equivalent direct-fit design$36.22 - $45.83 - MagnaFlow®Pre-OBDII Direct Fit Round Body Catalytic ConverterOldsmobile Ninety-Eight Gas with PRE-OBDII Standard 1978, Pre-OBDII Catalytic Converter by MagnaFlow®. Converter Configuration: Direct Fit. Catalytic Converter Body Shape: Round. Without Air Tube. Without O2 Sensor Port. Catalytic Inlet...$890.00
- Walker®SoundFX™ Steel Oval Aluminized Exhaust MufflerOldsmobile Ninety-Eight 1978, SoundFX™ Steel Oval Aluminized Exhaust Muffler by Walker®. Optional. Muffler Inlet Diameter: 2.25". Muffler Overall Length: 23". Muffler Configuration: Offset - Offset. This muffler is the right choice if...Designed to deliver ultimate performance and pleasing sound quality100% aluminized material$37.03 - $37.42
- Walker®Quiet-Flow™ Stainless Steel Oval Aluminized Exhaust MufflerOldsmobile Ninety-Eight 6.6L 1978, Quiet-Flow™ Stainless Steel Oval Aluminized Exhaust Muffler by Walker®. Single Outlet. Muffler Inlet Diameter: 2.25". Muffler Outlet Diameter: 2.25". Muffler Body Length: 20". Muffler Overall Length:...Designed for OE equivalent sound and precision fitSpun-locked heads for a proper resistance to backfire$87.51
- Walker®Replacement Exhaust KitOldsmobile Ninety-Eight 1978, 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...Mufflers and Resonators Designed for OE equivalent sound and precision fitOE-style louvered tube technology for a premium, factory-like sound$41.94 - $389.23
- MagnaFlow®Pre-OBDII Universal Fit Round Body Catalytic ConverterOldsmobile Ninety-Eight Gas with PRE-OBDII Standard 1978, Pre-OBDII Catalytic Converter by MagnaFlow®. Converter Configuration: Universal Fit. Catalytic Converter Body Shape: Round. Without Air Tube. Without O2 Sensor Port. Catalytic...$560.00
- MagnaFlow®Standard Universal Fit Oval Body Catalytic ConverterOldsmobile Ninety-Eight 1978, Standard Catalytic Converter by MagnaFlow®. Converter Configuration: Universal Fit. Catalytic Converter Body Shape: Oval. Without O2 Sensor Port. Catalytic Inlet Diameter: 2.5". Catalytic Outlet Diameter:...$114.00 - $162.00
- iD Select®Standard Universal Fit Oval Body Catalytic ConverterOldsmobile Ninety-Eight 1978, 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...$72.47
- Walker®CalCat™ Universal Fit Catalytic ConverterOldsmobile Ninety-Eight 1978, 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)...$389.23 - $426.39
- Walker®Ultra™ Universal Fit Catalytic ConverterOldsmobile Ninety-Eight 1978, Ultra™ Catalytic Converter by Walker®. Converter Configuration: Universal Fit. With 1 Inlet. Without Air Tube. Without O2 Sensor Port. Emissions control for better air quality. Direct Fit catalytic...$82.05 - $211.23
- Davico®Exhaust Manifold with Integrated Catalytic ConverterOldsmobile Ninety-Eight 6.6L 1978, 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 fails to...Helps your vehicle emit harmless gasesDirect OEM replacement$311.31 - $574.06
- CATCO®Pre-OBDII Universal Fit Oval Body Standard Duty Catalytic ConverterOldsmobile Ninety-Eight 5.7L 1978, Pre-OBDII Standard Duty Catalytic Converter by CATCO®. Converter Configuration: Universal Fit. Catalytic Converter Body Shape: Oval. Without Air Tube. Without O2 Sensor Port. Catalytic Inlet Diameter:...$144.46
- AP Exhaust®Standard Duty Universal Fit Oval Body Catalytic ConverterOldsmobile Ninety-Eight 5.7L 1978, Standard Duty Catalytic Converter by AP Exhaust®. Converter Configuration: Universal Fit. Catalytic Converter Body Shape: Oval. Without Air Tube. Without O2 Sensor Port. Catalytic Inlet Diameter: 2.5"....$82.40
- BRExhaust®Exhaust MufflerOldsmobile Ninety-Eight 6.6L 1978, Exhaust Muffler by BRExhaust®. Muffler Inlet Diameter: 2.25". Muffler Overall Length: 23". This product is constructed by one of the leading OE suppliers to provide OE-style performance and maintain a...Aluminized steel construction for maximum durabilityOne Piece interior to end cap construction to reduce flex and stand up to vehicle vibration$117.07
- BRExhaust®Replacement Exhaust KitOldsmobile Ninety-Eight 1978, 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...Superior replacement for your worn out exhaust partHelps put your vehicle back to its tip-top shape$30.37 - $42.85
- Stage 8®Steel Nickel plated Header Locking Bolt KitOldsmobile Ninety-Eight 5.7L 1978, Steel Nickel plated 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...Thoughtfully designed for the highest efficiency and safetyWill provide more breakaway torque than any other locking system$75.82
- Eastern Catalytic®Standard Universal Fit Oval Body Catalytic ConverterOldsmobile Ninety-Eight 1978, 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...$120.27
- Doug's Headers®Tri-Y Long Tube Exhaust HeadersOldsmobile Ninety-Eight 1978, Tri-Y Long Tube Exhaust Headers by Doug's Headers®. Primary Tubing Diameter: 1.75". Header Coating: Ceramic. Header Style: Long Tube. This Doug's Headers product is just the option for you in case you want...Designed to boost your vehicle's performanceMade from high-quality materials$712.45 - $942.95
- Walker®Aluminized Steel Exhaust TailpipeOldsmobile Ninety-Eight 1978, Aluminized Steel Exhaust Tailpipe by Walker®. If you want exhaust piping that delivers precise OE-style fit, appearance, and reliability, this part is your number one choice. Every pipe is vehicle-specific...Designed to directly replace the factory partMade with precision benders and fixture checked$30.57 - $39.69
- Walker®Fiber and Metal Laminate Donut Exhaust Pipe Flange GasketOldsmobile Ninety-Eight 1978, Fiber and Metal Laminate Donut 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...Makes installation quick and easyOptimal OE-style fit and quality$6.68
- Fel-Pro®Exhaust Manifold Gasket SetOldsmobile Ninety-Eight 1978, 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,...Ensures reliable sealing performanceMade using advanced technologies and molded rubber chemistry$11.52 - $31.19
- Fel-Pro®Exhaust Pipe Flange GasketOldsmobile Ninety-Eight 1978, Exhaust Pipe Flange Gasket 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...Direct OEM replacement for a proper fitEnsures reliable sealing performance$7.30
- Mahle®Exhaust Pipe Flange GasketOldsmobile Ninety-Eight 1978, Exhaust Pipe Flange Gasket by Mahle®. Location: Exhaust Manifold to Exhaust Pipe. This product is made of high-quality materials to serve you for years to come. Designed using state-of-the-art technology...High quality at an affordable priceExpertly made from premium materials$10.21
- Remflex®Exhaust Header GasketsOldsmobile Ninety-Eight Gas 1978, Exhaust Header Gaskets by Remflex®. Two Separated Center Ports. Remflex's unique flexible graphite material has been proven for more than 30 years in industrial applications. Whether you have an old...Designed to crush 50%This allows them to fill gaps in the flange surface up to 1/16"$38.39
- Patriot Exhaust®Percy's Seal-4-Good™ Exhaust Header GasketsOldsmobile Ninety-Eight Gas 1978, Percy's Seal-4-Good™ Exhaust Header Gaskets by Patriot Exhaust®. The Percy's Seal-4-Good Reusable Flange Gaskets are multi-layered and made from a special "Dead Soft" Aluminum, which conforms to...Special "dead soft" aluminum conforms to flange to make an excellent sealSolid metal gasket will not blow out$44.95
- Walker®Spring Bolt KitOldsmobile Ninety-Eight 1978, Spring Bolt Kit 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$11.84
- Dorman®Metal HELP Exhaust Manifold Bolt and Spring KitOldsmobile Ninety-Eight 1978, Metal HELP Exhaust Manifold Bolt and Spring Kit by Dorman®. Position: Front. Exhaust manifold fastener kits provide a time-saving solution for repairing the manifold. Each kit is designed for direct...New hardware helps fix exhaust leaksKits include hardware to securely attach the manifold to the exhaust system$4.90
- Walker®Steel Silver Exhaust BracketOldsmobile Ninety-Eight 1978, Steel Silver Exhaust Bracket 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....Makes installation quick and easyOptimal OE-style fit and quality$6.39
- Walker®Stainless Steel Bare Exhaust FlangeOldsmobile Ninety-Eight 1978, Stainless Steel Bare Exhaust Flange 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...Makes installation quick and easyOptimal OE-style fit and quality$4.50 - $10.10
- Dorman®Steel Exhaust SpringsOldsmobile Ninety-Eight 1978, Steel Exhaust Springs 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...Direct replacement for a proper fit every timeDurable steel construction$5.20 - $5.44
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1978 Oldsmobile Ninety-Eight Exhaust Reviews
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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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