I am looking at this pic as I write this.
My quess is a 2 inch rubber coupler to a 2 inch 90 degree elbow, connected to a 3 inch pvc coupler. With about three inches of 3 inch pipe out of that.

then that is connected to the flex tube.

But my question is does this really help our cars. Because if so Dam that is cheap.

less then $10 if you talk to the people at store.

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