Running with an open Y-pipe?
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Running with an open Y-pipe?
I've read the running with open headers can ruin your o2 sensors. What about runnng with and open Y-pipe? Could I do any damage to my motor?
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The car will run pretty crappy cause the O2's will be sucking air on decel. I imagine that it could hurt the sensor after awhile. When I run open headers I clamp 16" long pipes to the collectors so the O2 sensors have about 19" of pipe behind them. You could run a open Y-pipe no problem but I image it would flex and move around more with the cat back unhooked.
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Originally Posted by Uno99
What if I welded a 18" bullet at the end?
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Reviving this thread from the dead. What are the risks of running headers w/just a y-pipe on the end? Its either this or running SS Kooks on stock exhaust right now, w/Kooks ORY. Which is the better option in everyone's opinion? TIA!