I know it sounds cheap as **** but I have seen it used a few times. My question is, is it safe to use black plastic pcv sewer pipe for an intake tub. I thought I heard somewhere that it would harm the engine somehow (something about heating up and giving off vapours) It would be a cheap solution though for those of us that already have ugly engine bays and are looking so spend $10 CDN instead of $70 CDN for the specter. And wouldn't the plastic provide a much better thermal barrier against engine heat than aluminum would??? What do you guys think of its functionality (looks asside) just throwing this out there.