1985 Oldsmobile Ninety-Eight Performance Exhaust Systems

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    • (0 reviews)
      # mpn1073831
      Oldsmobile Ninety-Eight 3.0L / 3.8L with PRE-OBDII Models 1985, Pre-OBDII Catalytic Converter by MagnaFlow®. Emissions: CARB compliant. Converter Configuration: Universal Fit. Catalytic Converter Body Shape: Oval. Without Air Tube....
      $184.75
    • (0 reviews)
      # mpn1118916
      Oldsmobile Ninety-Eight 3.0L / 3.8L 1985, Standard Catalytic Converter by MagnaFlow®. Emissions: EPA compliant. Converter Configuration: Direct Fit. With Gasket. With Air Tube. With Pre and Post-Cat O2 Sensor Ports. Catalytic Inlet...
      $109.17
    • (0 reviews)
      # mpn1038314
      Oldsmobile Ninety-Eight 3.0L / 3.8L 1985, Standard Catalytic Converter by MagnaFlow®. Emissions: EPA compliant. Converter Configuration: Universal Fit. Catalytic Converter Body Shape: Oval. Without Air Tube. Without O2 Sensor Port....
      $72.07
    • (0 reviews)
      # mpn4483467717
      Oldsmobile Ninety-Eight 4.3L 1985, Graph-Flex™ Exhaust Header Gaskets by Percy's High Performance®. These durable header flange gaskets are composed of a graphite composition material on a malleable stainless steel core. They’ll...
      Malleable stainless steel metal coreWill survive 2000°F exhaust temperatures for extended periods
      $23.97
    • (0 reviews)
      # mpn4483467728
      Oldsmobile Ninety-Eight 4.3L 1985, HTR Oval Collector Gaskets by Percy's High Performance®. This products is an OEM and Performance company that was built on its founding heritage supported by a tradition of Legendary Quality. Designed...
      Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle
      $18.77
    • (0 reviews)
      # mpn4483467759
      Oldsmobile Ninety-Eight 4.3L 1985, Seal-4-Good™ Exhaust Header Gaskets by Percy's High Performance®. Don’t put up with that ominous, unmistakable “tick, tick, tick” sound of an exhaust manifold leak. If it isn’t leaking air...
      Multi-layered for excellent conformability and sealSeals even imperfect flanges
      $35.11
    • (0 reviews)
      # mpn4483467612
      Oldsmobile Ninety-Eight 4.3L 1985, XX Carbon™ Exhaust Header Gaskets by Percy's High Performance®. These durable header flange gaskets are composed of a graphite composition material on a malleable stainless steel core. They’ll seal...
      Malleable stainless steel metal coreWill survive 2000°F exhaust temperatures for extended periods
      $21.77
    • (0 reviews)
      # 652336853
      Oldsmobile Ninety-Eight 3.8L 1985, Vibe-Lock Header Bolt Kit by Percy's High Performance®. This product is made from high-grade materials to meet the strictest standards of high quality. Designed with the utmost care and attention to...
      Built to match your exact requirementsHigh quality you can rely on
      $65.77 - $122.42
    • (0 reviews)
      # 314965160
      Oldsmobile Ninety-Eight 3.8L 1985, 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...
      High quality at an affordable priceExpertly made from premium materials
      $54.22 - $56.06
    • (0 reviews)
      # 114817488
      Oldsmobile Ninety-Eight 3.0L / 3.8L 1985, 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...
      Mufflers and Resonators Designed for OE equivalent sound and precision fitOE-style louvered tube technology for a premium, factory-like sound
      $60.59 - $108.15
    • (0 reviews)
      # 165522018
      Oldsmobile Ninety-Eight 1985, Replacement Exhaust Kit by AP Exhaust®. 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
      $32.27 - $82.93
    • (0 reviews)
      # mpn2888398693
      Oldsmobile Ninety-Eight 3.0L / 3.8L 1985, CalCat™ Catalytic Converter by Walker®. Emissions: CARB compliant. Converter Configuration: Universal Fit. Catalytic Converter Body Shape: Standard Oval. With 1 Inlet. Without Air Tube....
      Constructed to meet your vehicle’s specific emissions requirementsFeatures stainless steel body with aluminized steel pipe and heat shields
      $108.15
    • (0 reviews)
      # mpn1705742
      Oldsmobile Ninety-Eight 3.0L / 3.8L 1985, Ultra™ Catalytic Converter by Walker®. Emissions: EPA compliant. Converter Configuration: Universal Fit. Catalytic Converter Body Shape: Small Oval. With 1 Inlet. With Air Tube. Without O2...
      Constructed to meet your vehicle’s specific emissions requirementsFeatures stainless steel body with aluminized steel pipe and heat shields
      $60.59
    • (0 reviews)
      # mpn1237853
      Oldsmobile Ninety-Eight 3.8L 1985, Standard Catalytic Converter by Eastern®. Emissions: EPA compliant. Converter Configuration: Universal Fit. Position: Undercar. Catalytic Converter Body Shape: Oval. With 1 Air Tube. Without O2 Sensor...
      Converts harmful engine emissions to less dangerous gases and water vaporAdvanced design for maximum engine output
      $39.19
    • (0 reviews)
      # mpn474117260
      Oldsmobile Ninety-Eight 3.0L / 3.8L 1985, Standard Duty Catalytic Converter by AP Exhaust®. Emissions: EPA compliant. Converter Configuration: Universal Fit. Catalytic Converter Body Shape: Oval. With Single Air Tube. Without O2 Sensor...
      A multitude of Universal converter bodies provided for maximum coverageProvides professional installer with immediate installation options
      $53.81
    • (0 reviews)
      # 832989906
      Oldsmobile Ninety-Eight 1985, SoundFX™ Aluminized Steel Oval Direct-Fit Exhaust Muffler by Walker®. Optional. Muffler Inlet Diameter: 2". Muffler Outlet Diameter: 2". Muffler Body Length: 18". Muffler Overall Length: 24.5". Muffler...
      Designed to deliver ultimate performance and pleasing sound qualityOE-equivalent direct-fit design
      $27.19
    • (0 reviews)
      # 85234460
      Oldsmobile Ninety-Eight 1985, SoundFX™ Aluminized Steel Oval Exhaust Muffler by Walker®. Optional. Muffler Inlet Diameter: 2". Muffler Outlet Diameter: 2". Muffler Body Length: 19". Muffler Overall Length: 23.5". Muffler...
      Designed to deliver ultimate performance and pleasing sound qualityMay require a few modifications to install
      $29.16
    • (0 reviews)
      # mpn914968294
      Oldsmobile Ninety-Eight 1985, GM Original Equipment™ Oxygen Sensor by ACDelco®. Position: Upstream. Location: In Exhaust Manifold/Crossover. If your O2 sensor is not functioning properly, you are robbing yourself of performance and...
      ACDelco GM OE Oxygen Sensors earn the name ACDelco by being put through a variety of tests, often under extreme and unusual conditions.Detects oxygen content in the exhaust gases.
      $13.79
    • (0 reviews)
      # mpn914883860
      Oldsmobile Ninety-Eight 3.0L / 3.8L 1985, Professional™ Oxygen Sensor by ACDelco®. Position: Upstream. If your O2 Sensor is not functioning properly, you are robbing yourself of performance and costing yourself money at the gas pump....
      ACDelco Professional Oxygen Sensors earn the name ACDelco by being put through a variety of tests, often under extreme and unusual conditionsCustomers can receive better gas mileage with a properly working oxygen sensor
      $17.44
    • (0 reviews)
      # mpn2468594
      Oldsmobile Ninety-Eight 3.0L / 3.8L 1985, Oxygen Sensor by Delphi®. Position: Upstream. As one of the leading suppliers of oxygen sensor technology since 1978, Delphi planar technology is the result of their OE and aftermarket engineers...
      OE connectors and wire lengths within 3" of OE specificationsResists high temperatures, vibration damage and wire corrosion to protect signal accuracy, and long life
      $12.60
    • (0 reviews)
      # mpn913459
      Oldsmobile Ninety-Eight 3.0L / 3.8L 1985, Premium Oxygen Sensor by Bosch®. Position: Upstream. A worn-out oxygen sensor can cause engine performance problems and shorten the life of the catalytic converter. Tune-up your vehicle with an...
      Up to 15 % savings in fuel costsReduced CO2 emissions
      $12.21
    • (0 reviews)
      # mpn937504
      Oldsmobile Ninety-Eight 3.0L / 3.8L 1985, Universal Fit Oxygen Sensor by Bosch®. Position: Upstream. Universal Oxygen Sensors with OE SmartLink are quick and easy to install. Each sensor has enough length of sensor wire to allow maximum...
      Patented SmartLink™ connector systemNo special tools required for installation
      $14.26
    • (0 reviews)
      # mpn472987
      Oldsmobile Ninety-Eight 3.0L / 3.8L 1985, Oxygen Sensor by Denso®. Position: Upstream. Denso's light duty oxygen sensor started to appear on vehicles with the development of fuel injection systems. The basic job of the sensor is to...
      Corrosion-resistant stainless steel constructionPTFE filter blocks efficiency-robbing contaminants
      $10.71
    • (0 reviews)
      # mpn472986
      Oldsmobile Ninety-Eight 3.0L / 3.8L 1985, Universal Fit Oxygen Sensor by Denso®. Position: Upstream. Denso's light duty oxygen sensor started to appear on vehicles with the development of fuel injection systems. The basic job of the...
      Corrosion-resistant stainless steel constructionPTFE filter blocks efficiency-robbing contaminants
      $11.19
    • (0 reviews)
      # mpn2230303
      Oldsmobile Ninety-Eight 3.0L / 3.8L 1985, Oxygen Sensor by NTK®. Position: Upstream. Thimble type sensors feature a ceramic element that projects into the exhaust system and becomes electrically conductive at high temperature. The...
      Increases vehicle fuel economy and engine performance while decreasing vehicle exhaust emissionsDirect replacement
      $12.03
    • (0 reviews)
      # mpn3368382234
      Oldsmobile Ninety-Eight 3.0L / 3.8L 1985, Oxygen Sensor by Spectra Premium®. Position: Upstream. To ensure your vehicle has optimal performance and fuel economy while producing minimal emissions replace a defective O2 sensor with one...
      Increase vehicle fuel economy and engine performance while decreasing vehicle exhaust emissions100% performance tested to meet vehicle requirements
      $7.92
    • (0 reviews)
      # 128920751
      Oldsmobile Ninety-Eight 1985, DGM Style Mild Steel Natural Exhaust Clamp by AP Exhaust®. This superior product was carefully designed with key attention to detail and manufactured from high-grade materials to the strict standards of the...
      Made from first-rate materialsEnsures outstanding durability
      $1.36
    • (1 review)
      # 18127759
      Oldsmobile Ninety-Eight 1985, Heavy Duty Steel Natural U-Bolt Clamp by Walker®. Material: Steel. With their extensive selection of accessories and hardware for the exhaust system, Walker will provide you with everything needed to do the...
      Makes installation quick and easyOptimal OE-style fit and quality
      $1.33
    • (0 reviews)
      # 266684189
      Oldsmobile Ninety-Eight 1985, 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,...
      Direct OEM replacement for a proper fitEnsures reliable sealing performance
      $5.70 - $21.83
    • (0 reviews)
      # mpn597843
      Oldsmobile Ninety-Eight 3.0L / 3.8L 1985, Composite Exhaust Manifold Gasket Set by Victor Reinz®. Material: Composite. This product is made of high-quality materials to serve you for years to come. Designed using state-of-the-art...
      High quality at an affordable priceExpertly made from premium materials
      $6.45
    • (0 reviews)
      # 24191406
      Oldsmobile Ninety-Eight 3.0L 1985, Exhaust Seal Ring by Victor Reinz®. 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...
      High quality at an affordable priceExpertly made from premium materials
      $6.50 - $7.88
    • (0 reviews)
      # 31709383
      Oldsmobile Ninety-Eight 3.0L / 3.8L 1985, Steel Exhaust Springs by Dorman®. Material: Steel. Designed for an exact fit, Dorman’s Exhaust Spring provides you with the proper flange spring for replacing the manifold. Save time and...
      Direct replacement for a proper fit every timeDurable steel construction
      $2.35 - $4.45
    • (0 reviews)
      # mpn1730430
      Oldsmobile Ninety-Eight Regency 3.0L / 3.8L 1985, High Temperature Graphite with Wire Mesh Core Donut Exhaust Pipe Flange Gasket by Walker®. Material: High Temperature Graphite with Wire Mesh Core. With their extensive selection of...
      Makes installation quick and easyOptimal OE-style fit and quality
      $7.15
    • (0 reviews)
      # 40685188
      Oldsmobile Ninety-Eight 1985, 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
      $5.73 - $6.66
    • (0 reviews)
      # 231108945
      Oldsmobile Ninety-Eight 3.0L / 3.8L 1985, Metal Exhaust Manifold Bolt and Spring Kit by Dorman®. Position: Front. Material: Metal. Exhaust manifold fastener kits provide a time-saving solution for repairing the manifold. Each kit is...
      New hardware helps fix exhaust leaksKits include hardware to securely attach the manifold to the exhaust system
      $4.02 - $11.25
    • (0 reviews)
      # mpn4225317540
      Oldsmobile Ninety-Eight 1985, Exhaust Bolt and Spring by Fel-Pro®. If you are looking for quality sealing solutions, Fel-Pro offers you various replacement products from seals and bolts to O-Rings and dowel pins. Engineered using the...
      Direct OEM replacement for a proper fitEnsures reliable sealing performance
      $6.77
    • (0 reviews)
      # mpn915020054
      Oldsmobile Ninety-Eight 1985, Professional™ Oxygen Sensor Connector by ACDelco®. If your O2 Sensor is not functioning properly, you are robbing yourself of performance and costing yourself money at the gas pump. Let ACDelco’s...
      ACDelco Professional Oxygen Sensors earn the name ACDelco by being put through a variety of tests, often under extreme and unusual conditionsCustomers can receive better gas mileage with a properly working oxygen sensor
      $7.10
    • (0 reviews)
      # mpn1748792
      Oldsmobile Ninety-Eight Regency 3.0L / 3.8L 1985, Spring by Walker®. Inlet Quantity: 1 Inlet. Outlet Quantity: 1 Outlet. With their extensive selection of accessories and hardware for the exhaust system, Walker will provide you with...
      Makes installation quick and easyOptimal OE-style fit and quality
      $3.63
    • (0 reviews)
      # 1016105427
      Oldsmobile Ninety-Eight 1985, Pre-OBDII Catalytic Converter by Flowmaster®. Emissions: CARB compliant. Converter Configuration: Universal Fit. Catalytic Converter Body Shape: Round. With Air Tube. Catalytic Inlet Diameter: 2". Catalytic...
      $224.97
    • (0 reviews)
      # mpn4525158080
      Oldsmobile Ninety-Eight 3.0L / 3.8L 1985, 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...
      Quick accurate delivery with excellent fill-rateExcellent inventory availability
      $5.96
    • (0 reviews)
      # mpn4524497143
      Oldsmobile Ninety-Eight 3.0L 1985, Exhaust Pipe Flange Gasket by Apex Auto®. Location: Pipe to Manifold. Packing. With Adapter. Designed utilizing the latest technology, this product by Apex Auto features premium quality and will...
      Quick accurate delivery with excellent fill-rateExcellent inventory availability
      $7.26
    • (0 reviews)
      # 865877560
      Universal 304 SS Oval Turbo Chambered Exhaust Muffler by Stainless Works®. Muffler Body Length: 14". Muffler Overall Length: 18". Muffler Sound: Aggressive / Loud. Stainless Works is the only manufacturer to build all of our mufflers...
      $175.75
    • (0 reviews)
      # 865804572
      Universal 304 SS Oval Turbo S-Tube Exhaust Muffler by Stainless Works®. Muffler Body Length: 14". Muffler Overall Length: 18". Muffler Sound: Aggressive / Loud. Muffler Structure: Turbo. Stainless Works is the only manufacturer to build...
      $175.75
    • (0 reviews)
      # mpn4235687757
      Universal Aluminum Skull Form Exhaust Tip by Vintage Parts®. Tip Inlet Diameter: 2.5". Tip Outlet Size: 3" H x 8.75" W. Skull exhaust cover is bad to the bone! Great as a truck or hot rod accessory, even better on your Harley! Made from...
      Made of Cast AluminumDimensions: 8.75" x 3"
      $123.49
    • (6 reviews)
      # 7575613
      Universal Metal Mulisha™ Stainless Steel Round Rolled Edge Angle Cut Single-Wall Black Ceramic Exhaust Tip by Gibson®. Tip Shape: Round. Tip Cut Type: Angle Cut. Tip Attachment Style: Bolt-On. Whether you're driving a luxury SUV or a...
      Adds a truly unique look to your vehicleBrushed stainless steel Metal Mulisha logo
      $95.10 - $154.41
    • (0 reviews)
      # 294693579
      Universal AR-15 Stainless Steel Round Straight Cut Exhaust Tip by Sinister Diesel®. Tip Shape: Round. Tip Cut Type: Straight Cut. Tip Attachment Style: Clamp-On. This tip is crafted from powder coated stainless steel and features a dual...
      Unique AR-15 Riffle designConstruction - Stainless Steel
      $289.00 - $319.00
    • (0 reviews)
      # 132826171
      Universal Stainless Steel Round Angle Cut Exhaust Tip by Spec-D®. Tip Shape: Round. Tip Cut Type: Angle Cut. Tip Length: 14". Tip Attachment Style: Clamp-On. Make whatever you drive run and sound like a high-performance machine with a...
      Stainless Steel 4" Exhaust Muffler TipMade Of High Quality T-304 Stainless Steel For A Light Weight Design
      $47.21 - $54.47
    • (0 reviews)
      # 132826178
      Universal Stainless Steel Round Angle Cut Exhaust Tip with Carbon Fiber Cover by Spec-D®. Tip Shape: Round. Tip Cut Type: Angle Cut. Tip Attachment Style: Clamp-On. Make whatever you drive run and sound like a high-performance machine...
      Stainless Steel 4" Exhaust Muffler TipMade Of High Quality T-304 Stainless Steel For A Light Weight Design
      $123.46 - $136.17
    • (0 reviews)
      # mpn2386569191
      Universal Stainless Steel Round Angle Cut Dual Silver Exhaust Tip by Spec-D®. Tip Shape: Round. Tip Cut Type: Angle Cut. Tip Inlet Diameter: 2.6". Tip Outlet Diameter: 3.25". Tip Length: 10.25". Tip Attachment Style: Clamp-On. Make...
      Stainless Steel 4" Exhaust Muffler TipMade Of High Quality T-304 Stainless Steel For A Light Weight Design
      $63.55
    • (9 reviews)
      # 865857621
      Universal Boomer™ Series Stainless Steel Exhaust Muffler by Borla®. Muffler Inlet Diameter: 2.25". Muffler Body Length: 14". Muffler Sound: Aggressive / Loud. Muffler Structure: Multi Core. Upgrade the looks, performance and sound of...
      $194.99 - $293.99
    • (0 reviews)
      # 865879578
      Universal Heavy Duty Stainless Steel Round Exhaust Muffler by Borla®. Muffler Inlet Diameter: 3". Muffler Outlet Diameter: 3". Muffler Body Length: 24". Muffler Sound: Mild / Stock. Muffler Configuration: Center - Center. Get increased...
      $212.99
    • (8 reviews)
      # 865800563
      Universal Pro XS™ Stainless Steel Oval Exhaust Muffler by Borla®. Muffler Sound: Aggressive / Loud. Muffler Structure: Multi Core. These mufflers include many of the features found on Borla’s performance mufflers, at a more...
      $90.99 - $140.99
    • (0 reviews)
      # 865781571
      Universal Round Exhaust Muffler by Borla®. Muffler Inlet Diameter: 2.75". Muffler Outlet Diameter: 2.75". Muffler Body Length: 24". Muffler Sound: Aggressive / Loud. Muffler Configuration: Center - Center. If you want to lower the sound...
      $205.99
    • (13 reviews)
      # 865879561
      Universal S-Type™ Stainless Steel Round Exhaust Muffler by Borla®. Muffler Inlet Diameter: 2.5". Muffler Outlet Diameter: 2.5". Muffler Body Length: 10". Muffler Sound: Mild / Stock. Muffler Configuration: Center - Center. Get...
      $177.99
    • (0 reviews)
      # 865852563
      Universal Transverse Flow™ Stainless Steel Oval Exhaust Muffler by Borla®. Muffler Body Length: 19". Muffler Sound: Mild / Stock. Get increased performance and the aggressive sound of power with this Transverse Flow Stainless Steel...
      $288.99 - $289.99
    • (1 review)
      # 865871570
      Universal XR-1™ Sportsman Racing Exhaust Muffler by Borla®. Muffler Sound: Aggressive / Loud. Muffler Structure: Multi Core. Muffler Configuration: Center - Center. The Borla XR-1 Sportsman Muffler was developed for the race track to...
      $140.99 - $214.99
    • (0 reviews)
      # 865863576
      Universal XR-1™ Stainless Steel Exhaust Muffler by Borla®. Muffler Sound: Aggressive / Loud. Muffler Structure: Multi Core. Muffler Configuration: Center - Center. The Borla XR-1 Multi-Core Muffler was developed on the race track to...
      $247.99 - $474.99
    • (0 reviews)
      # 883545353
      Universal 7 Round Stainless Steel Satin Exhaust Muffler by MagnaFlow®. Muffler Body Length: 14". Muffler Overall Length: 20". Muffler Sound: Moderate. Muffler Configuration: Center - Center. MagnaFlow Performance mufflers are 100%...
      $118.21
    • (2 reviews)
      # 865792561
      Universal Black Series™ Stainless Steel Exhaust Muffler by MagnaFlow®. Muffler Inlet Diameter: 2.25". Muffler Body Length: 14". Muffler Sound: Moderate. MagnaFlow Black Mufflers showcase iconic Smooth Deep Tone, Wide-Open Performance...
      $205.05 - $283.89
    • (12 reviews)
      # 865830560
      Universal Competition Core Stainless Steel Polished Exhaust Muffler by MagnaFlow®. Muffler Outlet Diameter: 4". Muffler Body Length: 14". Muffler Sound: Aggressive / Loud. Muffler Configuration: Center - Center. These are mufflers for...
      $131.16 - $188.28




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    1985 Ninety-Eight Performance Exhaust Systems Reviews

    Average rating:  4.5  4.5 - 3 reviews
    3.5 of 5
    It Was To Small
    It was to small had to take it get fitted and cut down.
    CPosted by Charles (Cape Girardeau, MO) / March 13, 2018
    2007 Chevy Avalanche
    Was this review helpful for you? Yes
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