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      Why buy from Lowbrow?

      • Free Shipping On US Orders $99 & up*

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      • No Restock Fees, Ever!

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      LOWBROW CUSTOMS USA MANUFACTURING SCHOLARSHIPS

      Here at Lowbrow Customs we believe strongly in supporting US manufacturing. We have created multiple annual scholarships, one with the Lincoln Electric Welding School and another with Tri-C (Cuyahoga Community College) for students in financial need who are pursuing workforce training. From TIG welding to machining, this is the backbone of manufacturing in the United States. Want to learn more?

      Want to learn more? Click here.

      Customer Reviews
      5.0 Based on 7 Reviews
      5 ★
      100% 
      7
      4 ★
      0% 
      0
      3 ★
      0% 
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      2 ★
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      Your input is very much appreciated. Share it with your friends so they can enjoy it too!

      Filter Reviews:
      • work
      • guys
      • caps
      • motorcycle videos
      • galion
      • shotgun exhaust
      • O2 sensors
      • bill
      • beer
      • muffler
      BD
      03/07/2022
      Bradley D.
      United States United States
      I recommend this product

      I love butt plugs

      These butt plugs are amazing. Felt so good when I screws them in my hole for the first time. I’d suggest lubing it up with some anti-cease so it doesn’t get stuck in your bung. Also it come with 2 so a friend could use one too.

      DR
      12/23/2021
      Donald R.
      United States United States
      I recommend this product

      02 plugs

      Fit the shotgun pipes perfectly arrived a little late but was notified beforehand

      ML
      05/13/2021
      Marco L.
      Italy Italy
      I recommend this product

      Great product

      I bought the caps and the muffler for my motorcycle, excellent product easy to assemble thanks to the clear motorcycle videos

      Lowbrow Customs 18mm x 1.5 O2 Sensor Port Plugs Review
      BM
      04/07/2021
      Bill M.
      United States United States
      I recommend this product

      Thanks you guys I bought a set of shotgun exhaust but I don't have o2 sensors so you have to plus it .. keep up the good work. Bill in galion oh.

      JB
      02/05/2021
      Jeremy B.
      United States United States
      I recommend this product

      Great product

      Great experience. Fit perfect into the shotgun pipes I also got.

      DR
      09/16/2020
      Dillon R.
      United States United States
      I recommend this product

      Sensor plugs

      ******* right in with one free hand for my beer !

      NT
      05/04/2018
      Nguyen T.
      US

      O2 Sensor Plugs

      Great quality on build and fitment.