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The Stainless Works 2-1/2" to 2" collector adapter with O2 bung pairs a TIG-welded 304 stainless stepped adapter and a welded oxygen-sensor bung, positioned approximately 2" from the flange. It provides a reliable, corrosion-resistant transition from 2-1/2" collectors to 2" downstream tubing while allowing O2 sensor installation. The part is made in the USA and covered by a limited lifetime warranty.
Stainless Works Collector Adapter 3-Bolt 2-1/2in OD Tubing 2in OD Outlet + O2 Bung
