1981 BMW 3-Series Performance Exhaust Systems

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    • (0 reviews)
      # mpn1116022
      BMW 320i With PRE-OBDII Models 1981, Pre-OBDII Catalytic Converter by MagnaFlow®. Emissions: CARB compliant. Converter Configuration: Direct Fit. With Assembly. Without Air Tube. Without O2 Sensor Port. Catalytic Inlet Diameter: 2"....
      $398.49
    • (0 reviews)
      # mpn1073831
      BMW 320i With PRE-OBDII Models 1981, Pre-OBDII Catalytic Converter by MagnaFlow®. Emissions: CARB compliant. Converter Configuration: Universal Fit. Catalytic Converter Body Shape: Oval. Without Air Tube. Without O2 Sensor Port....
      $184.75
    • (0 reviews)
      # mpn1118921
      BMW 320i 1981, Standard Catalytic Converter by MagnaFlow®. Emissions: EPA compliant. Converter Configuration: Direct Fit. Without Air Tube. With Pre and Post-Cat O2 Sensor Ports. Catalytic Inlet Diameter: 2". Catalytic Outlet Diameter:...
      $280.82
    • (0 reviews)
      # mpn1038320
      BMW 320i 1981, Standard Catalytic Converter by MagnaFlow®. Emissions: EPA compliant. Converter Configuration: Universal Fit. Catalytic Converter Body Shape: Oval. Without Air Tube. Without O2 Sensor Port. Catalytic Inlet Diameter: 2"....
      $77.88
    • (0 reviews)
      # mpn1790541
      BMW 320i With Single Catalytic Converter 1981, Steel Pencil Style Round Straight Cut Chrome Exhaust Tip by Walker®. Tip Shape: Round. Tip Cut Type: Straight Cut. Tip Inlet Diameter: 1.88". Tip Outlet Diameter: 1.5". Tip Length: 6". Tip...
      Manufactured from Aluminized SteelHigh Durability
      $13.41
    • (0 reviews)
      # 551074284
      BMW 320i 1981, Replacement Exhaust Kit by Ansa®. If you're in need of a durable and efficient replacement exhaust part, rely on this OE-quality product from Ansa that provides both perfect fit and superior functionality for years to...
      Completely compatible with your OE-unitFactory design to ensure a perfect fit
      $78.57 - $101.85
    • (0 reviews)
      # 114832245
      BMW 320i 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...
      Direct fit replacementIncludes all applicable flanges, hangers, and sensor fittings
      $52.70 - $109.56
    • (0 reviews)
      # mpn2888398693
      BMW 320i 1981, CalCat™ Catalytic Converter by Walker®. Emissions: CARB compliant. Converter Configuration: Universal Fit. Catalytic Converter Body Shape: Standard Oval. With 1 Inlet. Without Air Tube. Without O2 Sensor Port. Catalytic...
      $109.56
    • (0 reviews)
      # mpn1705742
      BMW 320i 1981, 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 Sensor Port. Catalytic...
      $59.07
    • (0 reviews)
      # mpn1244364
      BMW 320i 1981, Standard Catalytic Converter by Eastern®. Emissions: EPA compliant. Converter Configuration: Universal Fit. Position: Undercar. Catalytic Converter Body Shape: Oval. Without O2 Sensor Ports. Catalytic Inlet Diameter: 2"....
      $38.19
    • (0 reviews)
      # 546076317
      BMW 320i 1981, Catalytic Converter by DEC®. Converter Configuration: Direct Fit. Pick out a catalytic converter by DEC and get your emissions back into check without worrying to fail again. These catalytic converters are made from a...
      $261.32 - $425.54
    • (0 reviews)
      # mpn474117769
      BMW 320i 1981, Special Body Catalytic Converter by AP Exhaust®. Emissions: EPA compliant. Converter Configuration: Universal Fit. Catalytic Converter Body Shape: Oval. With Single Air Tube. Without O2 Sensor Port. Catalytic Inlet...
      $117.86
    • (0 reviews)
      # mpn470215617
      BMW 320i 1981, Rear Exhaust Muffler Assembly by Ansa®. If you're in need of a durable and efficient replacement exhaust part, rely on this OE-quality product from Ansa that provides both perfect fit and superior functionality for years...
      Completely compatible with your OE-unitFactory design to ensure a perfect fit
      $179.93
    • (0 reviews)
      # mpn1881371
      BMW 320i With Single Catalytic Converter 1981, SoundFX™ Aluminized Steel Round Exhaust Muffler by Walker®. Optional. Muffler Inlet Diameter: 1.75". Muffler Outlet Diameter: 1.75". Muffler Body Length: 19". Muffler Overall Length:...
      Designed to deliver ultimate performance and pleasing sound qualityMay require a few modifications to install
      $27.32
    • (0 reviews)
      # mpn470215615
      BMW 320i 1981, Exhaust Pipe by Ansa®. If you're in need of a durable and efficient replacement exhaust part, rely on this OE-quality product from Ansa that provides both perfect fit and superior functionality for years to come. It is...
      Completely compatible with your OE-unitFactory design to ensure a perfect fit
      $101.85
    • (0 reviews)
      # mpn2467488
      BMW 320i 1981, Oxygen Sensor by Delphi®. Position: Front. 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 together to...
      OE connectors and wire lengths within 3" of OE specificationsResists high temperatures, vibration damage and wire corrosion to protect signal accuracy, and long life
      $20.66
    • (0 reviews)
      # mpn911112
      BMW 320i 1981, 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 Bosch...
      Up to 15 % savings in fuel costsReduced CO2 emissions
      $26.06
    • (0 reviews)
      # mpn937504
      BMW 320i 1981, Universal Fit Oxygen Sensor by Bosch®. Position: Upstream. Properly functioning oxygen sensors are important when it comes to your vehicle's fuel efficiency and reducing harmful exhaust emissions. That's why checking for,...
      Up to 15 % savings in fuel costsReduced CO2 emissions
      $13.18
    • (0 reviews)
      # mpn980862
      BMW 320i 1981, 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 mixture...
      Corrosion-resistant stainless steel constructionPTFE filter blocks efficiency-robbing contaminants
      $21.36
    • (0 reviews)
      # mpn472986
      BMW 320i 1981, 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 the air...
      Corrosion-resistant stainless steel constructionPTFE filter blocks efficiency-robbing contaminants
      $11.21
    • (0 reviews)
      # mpn2230067
      BMW 320i 1981, 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 sensor element then sends...
      Increases vehicle fuel economy and engine performance while decreasing vehicle exhaust emissionsDirect replacement
      $17.43
    • (0 reviews)
      # mpn3368474631
      BMW 320i 1981, 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 aftermarket’s...
      Increase vehicle fuel economy and engine performance while decreasing vehicle exhaust emissions100% performance tested to meet vehicle requirements
      $14.10
    • (0 reviews)
      # mpn1351158
      BMW 320i 1981, Muffler Hanger by HJS®. 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 deliver great...
      High quality at an affordable priceExpertly made from premium materials
      $2.74
    • (0 reviews)
      # mpn986557
      BMW 320i 1981, Exhaust Hanger by Bosal®. Bosal has a vast selection of all necessary accessories and hardware to help you make the exhaust system installation or repair job quickly and eaily. Choose Bosal, and you'll get OE-quality...
      Constructed for a hassle-free exhaust repairEnsures a precise fit
      $7.47
    • (0 reviews)
      # mpn998399
      BMW 320i 1981, Rear Muffler Rubber Mounting by Bosal®. Location: Rear Muffler. Includes: Dual Mufflers. Bosal has a vast selection of all necessary accessories and hardware to help you make the exhaust system installation or repair job...
      Constructed for a hassle-free exhaust repairEnsures a precise fit
      $1.26
    • (0 reviews)
      # mpn2249684
      BMW 3-Series 1981, Exhaust Hanger by Febi®. Note: Rear Muffler. 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...
      High quality at an affordable priceExpertly made from premium materials
      $1.33
    • (0 reviews)
      # mpn4486228760
      BMW 320i 1981, Exhaust Manifold Flange Gasket by Bosal®. Bosal has a vast selection of all necessary accessories and hardware to help you make the exhaust system installation or repair job quickly and eaily. Choose Bosal, and you'll get...
      Constructed for a hassle-free exhaust repairEnsures a precise fit
      $2.75
    • (0 reviews)
      # mpn955487
      BMW 3-Series 1981, Exhaust Seal Ring by Bosal®. Is your car noisier these days? Can you smell exhaust fumes in the cabin? Exhaust system repairs should not be put off, both for safety and legal reasons, but before you waste your time...
      OE quality parts from top original equipment and aftermarket manufacturersThe finest quality at a great price
      $2.70
    • (0 reviews)
      # mpn4476976618
      BMW 320i 1981, 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 gaskets meet...
      Direct OEM replacement for a proper fitEnsures reliable sealing performance
      $10.00
    • (0 reviews)
      # 546594180
      BMW 320i 1981, Exhaust Flange Gasket by Bosal®. 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 Bosal, and you'll get...
      Constructed for a hassle-free exhaust repairEnsures a precise fit
      $1.73 - $3.08
    • (0 reviews)
      # mpn1537469
      BMW 320i 1981, 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 gaskets meet...
      Direct OEM replacement for a proper fitEnsures reliable sealing performance
      $3.83
    • (0 reviews)
      # mpn4479668956
      BMW 320i 1981, Exhaust Seal Ring by HJS®. 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 deliver great...
      High quality at an affordable priceExpertly made from premium materials
      $4.45
    • (0 reviews)
      # mpn4486035774
      BMW 320i 1981, Copper Exhaust Nut by Febi®. Material: Copper. Hex nut with flange. Shouldered - Self Locking. This product is made of high-quality materials to serve you for years to come. Designed using state-of-the-art technology and...
      High quality at an affordable priceExpertly made from premium materials
      $0.88
    • (0 reviews)
      # 559611702
      BMW 320i 1981, Exhaust Muffler by Ansa®. If you're in need of a durable and efficient replacement exhaust part, rely on this OE-quality product from Ansa that provides both perfect fit and superior functionality for years to come. It is...
      Completely compatible with your OE-unitFactory design to ensure a perfect fit
      $5.87 - $78.57
    • (3 reviews)
      # 285612487
      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
    • (3 reviews)
      # 285612526
      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
    • (3 reviews)
      # 285612429
      Universal 304 SS Rat Trap Mill Exhaust Muffler by Stainless Works®. Muffler Overall Length: 24". Muffler Sound: Aggressive / Loud. Muffler Configuration: Center - Center. Stainless Works is the only manufacturer to build all of our...
      $147.25
    • (3 reviews)
      # 285612371
      Universal 304 SS Round Mill Exhaust Muffler by Stainless Works®. Muffler Body Length: 30". Muffler Sound: Aggressive / Loud. Muffler Structure: Chambered. Muffler Configuration: Center - Center. Stainless Works is the only manufacturer...
      $166.25
    • (3 reviews)
      # 360335633
      Universal 304 SS Round Mill Exhaust Muffler by Stainless Works®. Muffler Overall Length: 5". Muffler Sound: Aggressive / Loud. Muffler Configuration: Center - Center. Stainless Works is the only manufacturer to build all of our mufflers...
      $118.75 - $157.70
    • (3 reviews)
      # 285612569
      Universal 304 SS Round Vintage Mill Exhaust Muffler by Stainless Works®. Muffler Body Length: 20". Muffler Overall Length: 24". Muffler Sound: Aggressive / Loud. Stainless Works is the only manufacturer to build all of our mufflers with...
      $147.25
    • (3 reviews)
      # 285612455
      Universal 304 SS Smooth Tube Mill Exhaust Muffler by Stainless Works®. Muffler Body Length: 24". Muffler Sound: Moderate. Muffler Configuration: Center - Center. Stainless Works is the only manufacturer to build all of our mufflers with...
      $152.00
    • (3 reviews)
      # 285612558
      Universal 304 SS Turn Down Mill Exhaust Muffler by Stainless Works®. Muffler Body Length: 24". Muffler Sound: Aggressive / Loud. Stainless Works is the only manufacturer to build all of our mufflers with ALL s/s construction-the bodies,...
      $147.25
    • (3 reviews)
      # 285612447
      Universal Smooth 304 SS Oval Mill Exhaust Muffler by Stainless Works®. Muffler Overall Length: 24". Muffler Sound: Moderate. Muffler Configuration: Center - Center. Stainless Works is the only manufacturer to build all of our mufflers...
      $171.00
    • (0 reviews)
      # 449501167
      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 - $189.99
    • (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
      $101.71 - $165.14
    • (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...
      Uniquue AR-15 Riffle designConstruction - Stainless Steel
      $289.00 - $319.00
    • (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 construction throughout for long term durabilityBuilt to Last
      $123.46 - $136.17
    • (0 reviews)
      # 91560812
      Universal Chrome Low-Line Lake Pipes by Patriot Exhaust®. Main Tubing Diameter: 2". Exhaust System Sound: Aggressive / Loud. Great for bringing back the custom car look some popular in the 50's and 60's. This product is made of...
      $195.45 - $327.36
    • (0 reviews)
      # 389793730
      Universal Chrome Plated Lake Pipes by Patriot Exhaust®. Main Tubing Diameter: 3.5". Exhaust System Sound: Aggressive / Loud. Show quality chrome Lake Pipe 4 kits connect to headers or stock exhaust system with one functioning inlet tube...
      $342.37 - $442.10
    • (0 reviews)
      # 381402860
      Universal Mild Steel Chrome Shielded Side Exhaust System by Patriot Exhaust®. Exhaust Tubing Material: Mild Steel. Main Tubing Diameter: 2". Exhaust System Sound: Aggressive / Loud. Give your vehicle that custom look with our classic...
      $263.23 - $355.20
    • (0 reviews)
      # mpn4478921216
      Universal 304 SS Exhaust Manifold by Megan Racing®. Megan Racing Turbo Manifolds are made with T-304 stainless steel and utilize mandrel bent piping with CNC Machined Flanges. Each set is tested and dyno'ed to make sure the fitment and...
      $223.77
    • (0 reviews)
      # 380751169
      Universal Diesel Catalytic Converter by MagnaFlow®. Emissions: EPA compliant. Converter Configuration: Universal Fit. Catalytic Converter Body Shape: Round. Without Air Tube. Without O2 Sensor Port. If your car needs replacement,...
      $307.05 - $332.39
    • (0 reviews)
      # 380751179
      Universal Heavy Metal Catalytic Converter by MagnaFlow®. Emissions: EPA compliant. Converter Configuration: Universal Fit. Without Air Tube. If your car needs replacement, install one that will get you through the smog check. This...
      $100.54 - $183.81
    • (0 reviews)
      # 380751246
      Universal OEM Grade Catalytic Converter by MagnaFlow®. Emissions: EPA compliant. Converter Configuration: Universal Fit. Without Air Tube. If your car needs replacement, install one that will get you through the smog check. This...
      $112.79 - $263.58
    • (0 reviews)
      # mpn1073844
      Universal Pre-OBDII Catalytic Converter by MagnaFlow®. Emissions: CARB compliant. Converter Configuration: Universal Fit. Catalytic Converter Body Shape: Oval. Without Air Tube. Without O2 Sensor Port. Catalytic Inlet Diameter: 2.25"....
      $184.75
    • (0 reviews)
      # 380751349
      Universal Standard Catalytic Converter by MagnaFlow®. Emissions: EPA compliant. Converter Configuration: Universal Fit. If your car needs replacement, install one that will get you through the smog check. This universal fit converter...
      $69.27 - $209.11
    • (0 reviews)
      # 286167667
      Universal Catalytic Converter by MagnaFlow®. Converter Configuration: Universal Fit. Without Air Tube. If your car needs replacement, install one that will get you through the smog check. This universal fit converter will require some...
      $105.42 - $399.87
    • (7 reviews)
      # 286167467
      Universal 200 Series OBDII Catalytic Converter by Flowmaster®. Emissions: EPA compliant. Converter Configuration: Universal Fit. Catalytic Converter Body Shape: Round. Without Air Tube. Without O2 Sensor Port. Without Heat Shield. The...
      $98.80 - $147.80
    • (7 reviews)
      # 286167469
      Universal 220 Series Catalytic Converter by Flowmaster®. Emissions: EPA compliant. Converter Configuration: Universal Fit. Catalytic Converter Body Shape: Oval. With Air Tube. Without O2 Sensor Port. The new Flowmaster replacement...
      $68.56
    • (7 reviews)
      # 286167474
      Universal 222 Series Catalytic Converter by Flowmaster®. Emissions: EPA compliant. Converter Configuration: Universal Fit. Catalytic Converter Body Shape: Round. Without Air Tube. Without O2 Sensor Port. The new Flowmaster replacement...
      $66.82 - $67.53




    Guides & Articles

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    • Automotive Tools
      August 30, 2017
      What Special Tools Are Available For Exhaust...
      Exhaust work can be challenging. Old parts are usually corroded and difficult to separate, and new ones sometimes need minor fitment adjustments during installation....
      by Timothy Zahl
    • Performance Exhaust Systems
      May 17, 2016
      Here's A 'Tip': Exhaust Tips Are An Easy Way To...
      Performance exhaust systems give you improvements in power output, sound levels, and appearance, all in one package. But let's face it: not everyone has the spare...
      by Michael Grayen
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      August 18, 2015
      Are Headers Worth The Performance Improvement?
      Engines have often been compared to air pumps, because the engine that’s most efficient in terms of economy and power is the one that can get air in and out of its...
      by Michael Grayen
    • Performance Exhaust Systems
      August 18, 2015
      Are X-pipes and H-pipes Better Than Straight...
      You may be wondering why so many aftermarket performance exhaust system manufacturers are offering dual exhaust systems connected by "H-pipe" or "X-pipe" sections....
      by Timothy Zahl
    • Performance Exhaust Systems
      August 17, 2015
      Power, Sound, Looks | Can I Have It All With a...
      It's an age-old question that many have asked. Will an aftermarket exhaust be worth the expense? While they definitely can be, an important question to ask yourself is...
      by Timothy Zahl
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      Pickup Truck Cab And Bed Sizes Are Important...
      Americans love to have choices. Buying a dress shirt? Decide solid or stripe, short or long sleeve, cotton or poly blend, button or spread collar, regular fit, slim...
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    • Replacement Exhaust Parts
      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...
      by Michael Grayen

    Popular Products



    1981 BMW 3-Series Performance Exhaust Systems Reviews

    Average rating:  5  5 - 1 review
    4.8 of 5
    Improve The Look And Sound
    This JBA exhaust tip totally improved the look and sound of my car. It was just what i need and the look as described. Recommend it to anyone.
    TPosted by Tormod M (Olpe, KS) / November 21, 2016
    2011 Ford F-150
    Was this review helpful for you? Yes

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