I hate the little PVC pipe. It is not even suitable for heating in very hot water and for lubricating pipes and fittings. Not the easiest instructions and photos are too small and blurry. It is difficult to add a mass airflow sensor and other items to the K&N intake manifold. I would do it again because I wanted to. Also, as a warning, keep checking and making sure all clamps (fittings) are tight, as I find the heat on the stiffer K&N hoses loosens up a bit. The instruction warns against checking everything!
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