O2 housings connect to the factory style 2-bolt flange to use your existing bolt-on downpipe.
Downpipe/2-bolt eliminator options bypass the 2-bolt flange for a significantly more free flowing bend with a quick release v-band connection. They end with a flex bellow by the front axle/transfer case area to make it easier to splice into your current exhaust, and 1g AWD have a v-band option to mate directly with a Buschur Racing 3″ 1g AWD exhaust

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