Emmision /exhaust ?
I cut the cats up front out and also th elarge middle cat......There was a metel pipe going from the middle cat to some where on top of the motor. What is that and should i cap it out front. I gonna by the air pump removal kit ...but what should i do fornow thanks......Its a stock 91
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RE: Emmision /exhaust ?
The pipe is the downstream air injection into the catalyst bed from your air pump.
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RE: Emmision /exhaust ?
I understand that but should i seal it or leave iopen uptop?
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RE: Emmision /exhaust ?
It needs to be sealed if don't want exhaust leaks.
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RE: Emmision /exhaust ?
thanks
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