Installing a wideband O2 Gauge and need to add an extra bung to your exhaust? This high-quality 304 Stainless Steel Threaded Bung is ideal for use on Stainless Steel exhaust systems. Use of non-stainless bungs will cause rusting and deterioration of the bung and weld area.
Requires Welding.
Standard M18 x 1.5 sensor threads.
