I Little Bamboo O2 Sensor Bung, Stainless Steel Oxygen Sensor Mounting Bungs, M18 X 1.5 Thread Notched Style Oxygen Sensor Fitting, Suitable for 2.5 inch Pipe- 2 Sets

["Package Including: 2 X O2 Sensor bungs","Standard M18-1.5 Thread Design: Universal fit for all standard o2 oxygen sensors, featuring precision-engineered threads for a secure and easy installation.","Curved design: Crafted with a unique curved design, this fitting perfectly fits 1.5- to 2-inch pipes and features a precision-welded finish, making installation effortless for both professionals and DIY enthusiasts.","304 Stainless Steel:The O2 oxygen sensor bung is made of 304 stainless steel, which is easy to weld, has high rust resistance in extreme environments, and capability not to deform with time.","Wide Application: Designed to adding a O2 sensor in any place you need one. Great for custom exhaust installation,headers,down pipes etc."]