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					Originally Posted by Lobo1186
					
				 
				of course i made mine out of PVC i kno i kno its not optimal but i didnt have aluminum and what not lying around....     sorry  
			
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Actually PVC is very good.
It's lighter and a better insulator than aluminum.
It's also slick inside.  

The only downside is that long-term it will tend to crack because of the heat from the engine.  But it'll be a few years.  Enjoy!
Happy Boxstering,
Pedro