1990 Cadillac Seville Performance Exhaust Systems

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    • (1 review)
      # mpn1073839
      Cadillac Seville with PRE-OBDII Models 1990, Pre-OBDII Catalytic Converter by MagnaFlow®. Converter Configuration: Universal Fit. Catalytic Converter Body Shape: Oval. With Single Air Tube. Without O2 Sensor Port. Catalytic Inlet...
      Reduces harmful emissionsIncreased exhaust flow allows your engine to make more power
      $207.37
    • (0 reviews)
      # mpn1038328
      Cadillac Seville 1990, Standard Catalytic Converter by MagnaFlow®. Converter Configuration: Universal Fit. Catalytic Converter Body Shape: Oval. With Air Tube. Without O2 Sensor Port. Catalytic Inlet Diameter: 2.5". Catalytic Outlet...
      Reduces harmful emissionsRequires fabrication or modifications to be installed into exhaust system
      $82.84
    • (0 reviews)
      # mpn4516842456
      Cadillac Seville 1990, Pre-OBDII Catalytic Converter by Flowmaster®. Converter Configuration: Universal Fit. Catalytic Converter Body Shape: Round. Without Air Tube. Catalytic Inlet Diameter: 2.5". Catalytic Outlet Diameter: 2.5". The...
      Exceed all federal emission standardsEngineered for Maximum Efficiency
      $191.31
    • (0 reviews)
      # 176788890
      Cadillac Seville 1990, 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...
      Direct fit replacementIncludes all applicable flanges, hangers, and sensor fittings
      $30.27 - $135.19
    • (0 reviews)
      # 165400672
      Cadillac Seville 1990, 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
      $33.78 - $153.67
    • (0 reviews)
      # mpn2888398727
      Cadillac Seville 1990, CalCat™ Catalytic Converter by Walker®. Converter Configuration: Universal Fit. Catalytic Converter Body Shape: Standard Oval. With 1 Inlet. Without Air Tube. Without O2 Sensor Port. Catalytic Converter Overall...
      Constructed to meet your vehicle’s specific emissions requirementsFeatures stainless steel body with aluminized steel pipe and heat shields
      $116.04
    • (0 reviews)
      # 504523998
      Cadillac Seville with Federal Emission 1990, Ultra™ Catalytic Converter by Walker®. Converter Configuration: Direct Fit. Catalytic Converter Body Shape: Large Oval. With 1 Inlet. Without O2 Sensor Port. Catalytic Converter Overall...
      Constructed to meet your vehicle’s specific emissions requirementsBody and pipe heat shields made of high quality materials for durability
      $135.19
    • (0 reviews)
      # 350080203
      Cadillac Seville 1990, Ultra™ Catalytic Converter by Walker®. Converter Configuration: Universal Fit. Catalytic Converter Body Shape: Large Oval. With 1 Inlet. With Air Tube. Without O2 Sensor Port. Catalytic Converter Overall Length:...
      Constructed to meet your vehicle’s specific emissions requirementsFeatures stainless steel body with aluminized steel pipe and heat shields
      $75.88
    • (0 reviews)
      # mpn971249
      Cadillac Seville 1990, Catalytic Converter by Bosal®. Converter Configuration: Direct Fit. If you’re in need of a replacement catalytic converter, you can’t do better than Bosal. They’re a leading supplier to vehicle manufacturers...
      Constructed to meet your vehicle’s specific emissions requirementsRadial flow concept allows for an even distribution of the gas flow in the converter for the optimal conversion of harmful gases
      $142.22
    • (0 reviews)
      # mpn1253011
      Cadillac Seville 1990, Standard Catalytic Converter by Eastern®. Converter Configuration: Direct Fit. Location: Undercar. Without O2 Sensor Ports. Catalytic Inlet Diameter: 3.75". Catalytic Outlet Diameter: 2.5". Catalytic Converter...
      Direct OEM replacementConverts harmful engine emissions to less dangerous gases and water vapor
      $137.43
    • (0 reviews)
      # mpn1249685
      Cadillac Seville 1990, Standard Catalytic Converter by Eastern®. Converter Configuration: Universal Fit. Location: Undercar. Catalytic Converter Body Shape: Oval. With 1 Air Tube. Without O2 Sensor Ports. Catalytic Inlet Diameter: 2.5"....
      Converts harmful engine emissions to less dangerous gases and water vaporAdvanced design for maximum engine output
      $54.93
    • (0 reviews)
      # 80126997
      Cadillac Seville 1990, Catalytic Converter by AP Exhaust®. Converter Configuration: Direct Fit. Without Air Tube. Catalytic Converter Overall Length: 23.5". The growing concern for the environment means there is a growing need for...
      5-year/50,000-mile warranty on converter body25,000-mile warranty on emissions
      $150.07 - $153.67
    • (0 reviews)
      # mpn474117262
      Cadillac Seville 1990, Standard Duty Catalytic Converter by AP Exhaust®. Converter Configuration: Universal Fit. Catalytic Converter Body Shape: Oval. With Single Air Tube. Without O2 Sensor Port. Catalytic Inlet Diameter: 2.5"....
      A multitude of Universal converter bodies provided for maximum coverageProvides professional installer with immediate installation options
      $43.13
    • (0 reviews)
      # 1251225795
      Cadillac Seville 1990, Catalytic Converter by Davico®. Converter Configuration: Direct Fit. Position: Center. Catalytic Converter Overall Length: 24". Gaskets Not Required. This direct-fit catalytic converter by Davico will be a great...
      Helps your vehicle emit harmless gasesDirect OEM replacement
      $105.31
    • (0 reviews)
      # 485842161
      Cadillac Seville 1990, SoundFX™ Aluminized Steel Oval Aluminized Exhaust Muffler by Walker®. Optional. Muffler Inlet Diameter: 2.5". Muffler Outlet Diameter: 2.25". Muffler Body Length: 21". Muffler Overall Length: 26". Muffler...
      Designed to deliver ultimate performance and pleasing sound qualityMay require a few modifications to install
      $28.03
    • (0 reviews)
      # mpn1878745
      Cadillac Seville 1990, SoundFX™ Aluminized Steel Oval Direct-Fit Aluminized Exhaust Muffler by Walker®. Optional. Muffler Inlet Diameter: 2.5". Muffler Outlet Diameter: 2.25". Muffler Body Length: 21". Muffler Overall Length: 24"....
      Designed to deliver ultimate performance and pleasing sound qualityOE-equivalent direct-fit design
      $34.11
    • (0 reviews)
      # mpn914885592
      Cadillac Seville With California Emissions 1990, 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...
      ACDelco GM OE Oxygen Sensors earn the name ACDelco by being put through a variety of tests, often under extreme and unusual conditionsDetects oxygen content in the exhaust gases
      $47.62
    • (0 reviews)
      # mpn4479816962
      Cadillac Seville 1990, 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. 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
      $38.98
    • (0 reviews)
      # mpn2471209
      Cadillac Seville 1990, 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 partnering...
      OE connectors and wire lengths within 3" of OE specificationsResists high temperatures, vibration damage and wire corrosion to protect signal accuracy, and long life
      $16.48
    • (0 reviews)
      # mpn1141157
      Cadillac Seville 1990, 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 Oxygen Sensor from...
      OE Identical ConnectorCompact Design
      $15.61
    • (0 reviews)
      # mpn472995
      Cadillac Seville 1990, 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 monitor the air fuel...
      Corrosion-resistant stainless steel constructionPTFE filter blocks efficiency-robbing contaminants
      $17.33
    • (0 reviews)
      # mpn472994
      Cadillac Seville 1990, 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 sensor is to monitor...
      Corrosion-resistant stainless steel constructionPTFE filter blocks efficiency-robbing contaminants
      $20.10
    • (0 reviews)
      # mpn2230329
      Cadillac Seville 1990, Oxygen Sensor by NTK®. Position: Upstream. Location: B1S1. Thimble type sensors feature a ceramic element that projects into the exhaust system and becomes electrically conductive at high temperature. The sensor...
      Increases vehicle fuel economy and engine performance while decreasing vehicle exhaust emissionsDirect replacement
      $34.29
    • (0 reviews)
      # mpn3368455862
      Cadillac Seville 1990, 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 backed by the...
      Increase vehicle fuel economy and engine performance while decreasing vehicle exhaust emissions100% performance tested to meet vehicle requirements
      $18.18
    • (0 reviews)
      # 128872557
      Cadillac Seville 1990, 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
      $1.14 - $1.30
    • (0 reviews)
      # mpn474125180
      Cadillac Seville 1990, Extra Heavy Duty Mild Steel Welded Saddle 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...
      Made from first-rate materialsEnsures outstanding durability
      $6.00
    • (3 reviews)
      # 18120825
      Cadillac Seville 1990, 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
      $1.36 - $1.49
    • (0 reviews)
      # mpn4552654917
      Cadillac Seville 1990, 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...
      Direct OEM replacement for a proper fitEnsures reliable sealing performance
      $6.52
    • (0 reviews)
      # mpn1861391
      Cadillac Seville 1990, Graphoil Donut Exhaust Pipe Flange Gasket by Walker®. Material: Graphoil. 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
      $8.59
    • (0 reviews)
      # mpn981263
      Cadillac Seville 1990, Exhaust Pipe Flange Gasket by Bosal®. Location: Inlet. Bosal has a vast selection of all necessary accessories and hardware to help you make the exhaust system installation or repair job quickly and easily. Choose...
      Constructed for a hassle-free exhaust repairEnsures a precise fit
      $6.68
    • (0 reviews)
      # 19064843
      Cadillac Seville 1990, 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
      $9.34 - $12.18
    • (0 reviews)
      # mpn4551856391
      Cadillac Seville 1990, 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 latest...
      Direct OEM replacement for a proper fitEnsures reliable sealing performance
      $7.17
    • (0 reviews)
      # mpn915020054
      Cadillac Seville 1990, 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 Professional...
      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
      $7.22
    • (0 reviews)
      # mpn4047044326
      Cadillac Seville 1990, Oxygen Sensor Connector by Standard®. SMP’s vision is to be the leading independent supplier to the automotive aftermarket, providing the highest quality products, competitive prices and the highest reputation...
      OE quality parts from top original equipment and aftermarket manufacturersThe finest quality at a great price
      $20.33
    • (0 reviews)
      # mpn1748792
      Cadillac Seville 1990, 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 everything needed to do the...
      Makes installation quick and easyOptimal OE-style fit and quality
      $3.78
    • (0 reviews)
      # mpn4525158192
      Cadillac Seville 1990, 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...
      Quick accurate delivery with excellent fill-rateExcellent inventory availability
      $3.23
    • (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 mufflers with...
      $175.75 - $180.50
    • (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 - $180.50
    • (1 review)
      # 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
    • (8 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
      $96.97 - $157.44
    • (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)
      # 132826178
      Universal Stainless Steel Round Angle Cut Carbon Fiber Exhaust Tip 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 with a...
      Stainless Steel Exhaust Muffler TipMade Of High Quality T-304 Stainless Steel For A Light Weight Design
      $125.88 - $138.84
    • (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 Exhaust Muffler TipMade Of High Quality T-304 Stainless Steel For A Light Weight Design
      $48.13 - $55.54
    • (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 Exhaust Muffler TipMade Of High Quality T-304 Stainless Steel For A Light Weight Design
      $64.79
    • (10 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
    • (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%...
      $122.93
    • (2 reviews)
      # 865792561
      Universal Black Series™ Stainless Steel Black Coated 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...
      $213.25 - $295.24
    • (12 reviews)
      # 1295166329
      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...
      $136.41 - $195.82
    • (1 review)
      # 1295153345
      Universal Race Series Stainless Steel Polished Exhaust Muffler by MagnaFlow®. Acoustical Packing. Muffler Sound: Moderate. Muffler Configuration: Center - Center. With racetracks enforcing stricter decibel level restrictions, MagnaFlow...
      $129.61 - $151.03
    • (21 reviews)
      # 865801568
      Universal Stainless Steel Oval Bi-Direction Exhaust Muffler by MagnaFlow®. Muffler Sound: Moderate. The Wide Open design of the performance muffler improves the breathing of your engine and gives you increased power. It also gives you...
      $79.87 - $239.77
    • (21 reviews)
      # 865800615
      Universal Stainless Steel Round Chamber Bi-Direction Exhaust Muffler by MagnaFlow®. Muffler Sound: Moderate. The Wide Open design of the performance muffler improves the breathing of your engine and gives you increased power. It also...
      $71.67 - $217.33
    • (12 reviews)
      # 1065575285
      Universal Stainless Steel Round Chamber Bi-Direction Polished Exhaust Muffler with Straight Cut Tip by MagnaFlow®. Muffler Inlet Diameter: 2.25". Muffler Outlet Diameter: 4". Muffler Body Length: 14". Muffler Sound: Aggressive / Loud....
      $134.96 - $151.25
    • (12 reviews)
      # 865878564
      Universal Stainless Steel Round Polished Exhaust Muffler by MagnaFlow®. Muffler Inlet Diameter: 2.25". Muffler Body Length: 14". Muffler Configuration: Center - Center. These are mufflers for souped-up street machines. These mufflers...
      $129.63 - $207.52
    • (12 reviews)
      # 865804563
      Universal Street Series Stainless Steel Oval Polished Exhaust Muffler by MagnaFlow®. Muffler Inlet Diameter: 2.25". Muffler Body Length: 14". Muffler Sound: Moderate. These are mufflers for souped-up street machines. These mufflers look...
      $126.20 - $272.33




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    • October 05, 2018
      Repair vs Performance Parts | Exhaust Systems
      Whether you need an exhaust system because your vehicle`s old pipes have rusted through or become damaged, or you simply want a better one to boost engine performance...
    • August 01, 2014
      Direct Fit vs. Universal Mufflers
      Regardless of whether you`re shopping for a simple replacement muffler that delivers original equipment (OE) sound and performance or an upgraded muffler which...

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    1990 Cadillac Seville Performance Exhaust Systems Reviews

    Average rating:    4.5 - 4 reviews
    4.5 of 5
    Kooks
    Product very good. Love it.
    Posted by Jojie (Mississauga, ON) / August 8, 20182010 Toyota Corolla
    Was this review helpful for you? Yes
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