<noembed><nolayer><div style="position:absolute; left:0; top:-100; display:none;"> O2 Sensor Exhaust Bung In The Collector<br> picture - Before I had the sidepipes ceramic coated, I welded in an exhaust bung on each side. The LM-1 O2 sensor screws in there. A plug is used to close the bung when running without the LM-1. </div></nolayer></noembed>
 
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