1981 BMW 3-Series Performance Exhaust Systems

181 - 191 of 19104 of 04
show:
sort by:
    • Borla® Stainless Steel Half Moon Clamps
      (0 reviews)
      # 470455
      Universal Stainless Steel Half Moon Clamps by Borla®. These clamps are superior to ordinary saddle clamps in sealing, fit and appearance. They come in 2 sizes and they’re made from stainless steel, for long lasting durability.
      Made from high quality stainless steelCustom appearance
      $22.99 - $23.99
    • Borla® Stainless Steel Saddle Clamps
      (0 reviews)
      # 470092
      Universal Stainless Steel Saddle Clamps by Borla®. Connect mufflers and exhaust pipes with these high quality clamps. They come in 3 different sizes and they’re made from stainless steel, for long lasting durability.
      Made from high quality stainless steelCustom appearance
      $19.99 - $27.99
    • Weapon-R® 2 Bolt Flange
      (0 reviews)
      # 1115088
      Universal 2 Bolt Flange by Weapon-R®. Weapon-R has a large selection of materials to help with your custom exhaust fabrication project. For example, this 2 bolt flange will enable you to easily connect an exhaust pipe to an exhaust...
      $10.00 - $24.00
    • BTP® Exhaust Tip
      (0 reviews)
      # 66967869
      Universal Exhaust Tip by BTP®. This premium quality part by BTP helps your exhaust system to perform at its full efficiency as well as provide your vehicle with a more aggressive and powerful sound. This part is made from durable...
      Engineered to make your exhaust system perform at its peakProvides a powerful and aggressive sound
      $22.84 - $64.47
    • Eastern® Flex Pipe
      (5 reviews)
      # 17428341
      Universal Flex Pipe by Eastern Catalytic®. The product is perfect for absorbing vibration and movement in the exhaust system. Made of braided stainless steel, the flex pipe is also a shield from road debris that could get kicked up...
      Ensures leak-free connectionsDecreases engine noise and vibration
      $8.47 - $27.57
    • BTP® 8-Piece White Zinc Steel Hex Head Header Bolt Kit
      (0 reviews)
      # 66960336
      Universal 8-Piece White Zinc Steel Hex Head Header Bolt Kit by BTP®. These exhaust bolts are capable of withstanding the unique characteristics of your application to deliver the long-lasting durability you demand. Ensure your...
      Add more durability compared to rusted or broken originalsA great upgrade for a custom look
      $4.25
    • AutoLoc® Exhaust Flame Thrower Kit
      (0 reviews)
      # 9664042
      Exhaust Flame Thrower Kit by AutoLoc®. The exhaust flame thrower kit is a must have for all hot rods. This kit can make up to 20’ flames shoot out your exhaust on command.
      Remote activation buttonCase: plastic
      $99.99 - $199.00
    • Eastern® Direct Fit Catalytic Converter
      (0 reviews)
      # 17568534
      BMW 3-Series 1981, Direct Fit Undercar Catalytic Converter by Eastern Catalytic®. 60" Overall Length. Standard. 3 Bolt Welded. 3 Bolt Welded. 3 Bolt Spin Type. One Front Gasket. One Rear Gasket. If you need to replace your failed...
      Direct OEM replacementConverts harmful engine emissions to less dangerous gases and water vapor
      $291.39
    • Eastern® Universal Fit Catalytic Converter
      (0 reviews)
      # 54547110
      BMW 3-Series 1981, Universal Fit Catalytic Converter by Eastern Catalytic®. Whether your catalytic converter is damaged by road debris or failed due to an engine problem, you definitely need a new one, and this product is the way...
      Universal fitConverts harmful engine emissions to less dangerous gases and water vapor
      $45.47
    • Bosal® Rear Muffler
      (0 reviews)
      # 20552795
      BMW 3-Series 1981, Rear Muffler by Bosal®. This muffler is constructed by one of the leading OE suppliers to provide OE-style performance and maintain a factory-like sound. The direct-fit configuration allows for easy, bolt-on...
      Designed to deliver ultimate performance and a quality OE-style soundAluminized steel construction for maximum durability
      $78.80
    • Eastern® Cowbell
      (1 reviews)
      # 17428404
      Universal Cowbell by Eastern Catalytic®. If you need a quality cowbell connector because your factory part is damaged or rusted, Eastern Catalytic has the part you need. Constructed from OE spec materials, this product perfectly...
      Made of solid materialsOffered in the widest range of configurations
      $4.30 - $12.31