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The MagnaFlow hex-flanged oxygen sensor plug (pack) is a stainless steel sensor boss designed for custom exhaust, downpipe, header, and other setups requiring an O2 sensor mount. The CNC-manufactured, corrosion-resistant plug features an 18 x 1.5 thread diameter and a hex flange for secure installation. It's intended for universal use where an O2 boss is needed and is covered by MagnaFlow's limited lifetime warranty.
MagnaFlow Plug Hex Flange O2 Boss (20-Pk)
