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			Thanks and yes I am aware of the loss of performance with a chambered system. I am not installing it for performance reasons. 
		
		
		
		
		
		
		
		
	
	I have had several 69 Z/28's with the cross flow system and it is probably the best factory set up. I just need some insight into what's in store for me (noise wise) when I drive the car with a chambered system. Paul  | 
		
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