BMW 3-Series Performance Catalytic Converters

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    • (50 reviews)
      # sp839
      Direct Fit Catalytic Converter by MagnaFlow®. If your cat needs replacement, install one that will get you through the smog check. The Direct Fit Catalytic Converter is available in Pre-OBD II, OBD II, and OEM Grade OBD II configurations.
      $83.35 - $1,871.09
    • (1 review)
      # sp109884
      Direct Fit Federal Catalytic Converter with Header by MagnaFlow®. If your car needs replacement, install one that will get you through the smog check. This converter is part of the exhaust header/manifold assembly, and it will directly...
      $402.61 - $1,094.30
    • (0 reviews)
      # sp109886
      Heavy Metal Exhaust Manifold by MagnaFlow®. If your car needs replacement, install one that will get you through the smog check. This converter is part of the exhaust header/manifold assembly, and it will directly replace the factory...
      $250.94 - $836.61
    • (5 reviews)
      # sp96188
      Universal Fit Catalytic Converter by MagnaFlow®. If your car needs replacement, install one that will get you through the smog check. This universal fit converter will require some fabrication to be installed, which will involve cutting...
      $72.26 - $500.15
    • (12 reviews)
      # sp114642
      Direct Fit OEM Grade Catalytic Converter by Magnaflow®. If your car needs replacement, install one that will get you through the smog check. This converter is part of the exhaust header/manifold assembly, and it will directly replace...
      $150.75 - $3,633.21
    • (1 review)
      # sp124073
      Universal Fit Catalytic Converter by Flowmaster®. The new Flowmaster replacement catalytic converters are made to meet and exceed all federal environmental regulations and, as all Flowmaster products, to deliver the best possible...
      Exceed all federal emission standardsEngineered for Maximum Efficiency
      $78.04 - $231.07
    • (0 reviews)
      # mpn4563999495
      Sport Catalytic Converter Downpipe by Fabspeed®. Inject new life into your 335i or 435i with a high-flow catted downpipe! Genuine 200-cell HJS catalyst instantly adds significant power, sound, and throttle response without triggering a...
      Designed with a 200-cell HJS catalyic converter core for maximum performance and reliabilityDirect bolt-on replacement; no cutting or welding required
      $1,395.00
    • (0 reviews)
      # mpn4563999728
      Sport Catalytic Converter Downpipe by Fabspeed®. Inject new life into your 335i or 435i with a high-flow catted downpipe! Genuine 200-cell HJS catalyst instantly adds significant power, sound, and throttle response without triggering a...
      Designed with a 200-cell HJS catalyic converter core for maximum performance and reliabilityDirect bolt-on replacement; no cutting or welding required
      $1,395.00
    • (0 reviews)
      # mpn4563998818
      Sport Catalytic Converters by Fabspeed®. Converter Configuration: Direct Fit. High-flowing, direct bolt-on replacement for the bulky & restrictive factory catalytic converters. Precision machined and hand welded: Fabspeed value quality...
      Improves power and throttle responseSaves weight from the vehicle versus factory restrictive cats
      $1,995.00
    • (0 reviews)
      # mpn4563999494
      Sport Catalytic Converters by Fabspeed®. Converter Configuration: Direct Fit. High-flowing, direct bolt-on replacement for the bulky & restrictive factory catalytic converters. Precision machined and hand welded: Fabspeed value quality...
      Constructed from 14-16ga T304L stainless steel CNC mandrel bent tubing for maximum performance and durabilityUses 200 cell German Imported high flow sport catalytic converters
      $2,295.00
    • (4 reviews)
      # sp96182
      OEM Grade Exhaust Manifold by MagnaFlow®. If your car needs replacement, install one that will get you through the smog check. This converter is part of the exhaust header/manifold assembly, and it will directly replace the factory...
      $299.35 - $1,092.58
    • (0 reviews)
      # 772572940
      Diesel Catalytic Converter by MagnaFlow®. Converter Configuration: Universal Fit. Catalytic Converter Body Shape: Round. Without Air Tube. Without O2 Sensor Port. If your car needs replacement, install one that will get you through the...
      Reduces harmful emissionsRequires fabrication or modifications to be installed into exhaust system
      $321.93 - $348.53
    • (0 reviews)
      # 772718908
      Heavy Metal 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...
      Reduces harmful emissionsRequires fabrication or modifications to be installed into exhaust system
      $105.09 - $192.53
    • (0 reviews)
      # 772543379
      OEM Grade 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...
      Reduces harmful emissionsRequires fabrication or modifications to be installed into exhaust system
      $117.95 - $276.28
    • (0 reviews)
      # 1083632742
      Pre-OBDII Catalytic Converter by MagnaFlow®. Converter Configuration: Universal Fit. Without Air Tube. Without O2 Sensor Port. If your car needs replacement, install one that will get you through the smog check. This universal fit...
      Reduces harmful emissionsIncreased exhaust flow allows your engine to make more power
      $205.77 - $214.73
    • (0 reviews)
      # 772627908
      Standard Catalytic Converter by MagnaFlow®. Converter Configuration: Universal Fit. If your car needs replacement, install one that will get you through the smog check. This universal fit converter will require some fabrication to be...
      Reduces harmful emissionsRequires fabrication or modifications to be installed into exhaust system
      $72.26 - $222.84
    • (0 reviews)
      # 772618909
      Catalytic Converter by MagnaFlow®. Converter Configuration: Universal Fit. If your car needs replacement, install one that will get you through the smog check. This universal fit converter will require some fabrication to be installed,...
      Reduces harmful emissionsIncreased exhaust flow allows your engine to make more power
      $110.69 - $399.87
    • (7 reviews)
      # 772701908
      200 Series OBDII Catalytic Converter by Flowmaster®. Converter Configuration: Universal Fit. Catalytic Converter Body Shape: Round. Without Air Tube. Without O2 Sensor Port. Catalytic Converter Overall Length: 8". The new Flowmaster...
      Exceed all federal emission standardsStainless Steel shells
      $66.99
    • (7 reviews)
      # 772605909
      220 Series Catalytic Converter by Flowmaster®. Converter Configuration: Universal Fit. Catalytic Converter Body Shape: Oval. With Air Tube. Without O2 Sensor Port. The new Flowmaster replacement catalytic converters are made to meet and...
      Exceed all federal emission standardsStainless Steel shells
      $55.03
    • (7 reviews)
      # 772605907
      222 Series Catalytic Converter by Flowmaster®. Converter Configuration: Universal Fit. Catalytic Converter Body Shape: Round. Without Air Tube. Without O2 Sensor Port. The new Flowmaster replacement catalytic converters are made to meet...
      Exceed all federal emission standardsStainless Steel shells
      $43.71 - $53.61
    • (7 reviews)
      # 772650910
      223 Series Catalytic Converter by Flowmaster®. Converter Configuration: Universal Fit. Catalytic Converter Body Shape: Round. Without Air Tube. Without O2 Sensor Port. The new Flowmaster replacement catalytic converters are made to meet...
      Exceed all federal emission standardsStainless Steel shells
      $59.27 - $59.86
    • (7 reviews)
      # 772574907
      225 Series Catalytic Converter by Flowmaster®. Converter Configuration: Universal Fit. Catalytic Converter Body Shape: Oval. Without Air Tube. Without O2 Sensor Port. The new Flowmaster replacement catalytic converters are made to meet...
      Exceed all federal emission standardsStainless Steel shells
      $45.66 - $69.73
    • (7 reviews)
      # mpn886216
      240 Series Catalytic Converter by Flowmaster®. Converter Configuration: Universal Fit. Catalytic Converter Body Shape: Oval. Without Air Tube. Without O2 Sensor Port. Catalytic Inlet Diameter: 2.5". Catalytic Outlet Diameter: 2.5". The...
      Exceed all federal emission standardsStainless Steel shells
      $115.78
    • (7 reviews)
      # 772562383
      250 Series Catalytic Converter by Flowmaster®. Converter Configuration: Universal Fit. Catalytic Converter Body Shape: Oval. Without O2 Sensor Port. The new Flowmaster replacement catalytic converters are made to meet and exceed all...
      Exceed all federal emission standardsStainless Steel shells
      $108.22 - $114.80
    • (7 reviews)
      # 772549385
      282 Series Catalytic Converter by Flowmaster®. Converter Configuration: Universal Fit. Without Air Tube. The new Flowmaster replacement catalytic converters are made to meet and exceed all federal environmental regulations and, as all...
      Exceed all federal emission standardsStainless Steel shells
      $78.04 - $137.76
    • (7 reviews)
      # 772585907
      283 Series Catalytic Converter by Flowmaster®. Converter Configuration: Universal Fit. Catalytic Converter Body Shape: Round. Without Air Tube. The new Flowmaster replacement catalytic converters are made to meet and exceed all federal...
      Exceed all federal emission standardsStainless Steel shells
      $85.88 - $127.66
    • (7 reviews)
      # 772526380
      284 Series Catalytic Converter by Flowmaster®. Converter Configuration: Universal Fit. Without Air Tube. Without O2 Sensor Port. The new Flowmaster replacement catalytic converters are made to meet and exceed all federal environmental...
      Exceed all federal emission standardsStainless Steel shells
      $116.26 - $155.23
    • (7 reviews)
      # 772545383
      290 Series Catalytic Converter by Flowmaster®. Converter Configuration: Universal Fit. Catalytic Converter Body Shape: Oval. Without Air Tube. The new Flowmaster replacement catalytic converters are made to meet and exceed all federal...
      Exceed all federal emission standardsStainless Steel shells
      $84.66 - $100.07
    • (0 reviews)
      # 772564379
      OBDII Catalytic Converter by Flowmaster®. Converter Configuration: Universal Fit. Without Air Tube. The new Flowmaster replacement catalytic converters are made to meet and exceed all federal environmental regulations and, as all...
      Exceed all federal emission standardsEngineered for Maximum Efficiency
      $132.03 - $163.20
    • (0 reviews)
      # 772566917
      Pre-OBDII Catalytic Converter by Flowmaster®. Converter Configuration: Universal Fit. The new Flowmaster replacement catalytic converters are made to meet and exceed all federal environmental regulations and, as all Flowmaster products,...
      Exceed all federal emission standardsEngineered for Maximum Efficiency
      $121.70 - $133.04




    These days there are virtually no vehicles that are not equipped with a catalytic converter. These parts are intended to convert toxic pollutants into carbon dioxide, nitrogen, and water, which are harmless to the environment. The main drawback to converters is that they reduce the vehicle’s performance due to back pressure, so your top speed is not as high as it could be. Cleverly designed performance catalytic converters feature special catalyst materials and construction that both make your vehicle 'green' and reduce loss of engine power to a minimum. So, you can take advantage of better engine efficiency due to improved exhaust flow, while being sure your BMW 3-Series won't fail an emissions test.

    You can't remove a catalytic converter; it's against the law. But you can reduce restriction by installing a high-flow one. Performance catalytic converters are ideal for use with other performance components meant to boost the output of the engine. In our store, you will find BMW 3-Series performance catalytic converters manufactured by leading aftermarket companies such as Magnaflow, PaceSetter, Flowmaster, Stainless Works, and Vibrant Performance.

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