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			That FVD is a sweet looking unit. 
 
Always interested in the flappers and how they're made.  Factory and FVD use rubber doors, the EBS uses a metal hinged door.  Rubber ages and will crack.  Not good.  The metal hinge seems could get debris in it and freeze open.  Not good.  It's probably my paranoid nature with something this important, but each method appears to have potential issues. 
 
However, still no issues with my EBS after 4.5 yrs.
		 
		
		
		
		
		
		
			
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				GPRPCA Chief Driving Instructor 
2008 Boxster S Limited Edition  #005 
2008 Cayman S Sport - Signal Green 
1989 928 S4 5 spd - black
			 
		
		
		
		
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