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			#1  
			
			
			
			
			
		 
		
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			I HAVE ON EBAY A ORIGINAL PAIR OF NOS THRUSH MUFFLERS WITH THE PINK BOXES DATED TO 1972 NO RESERVE  http://cgi.ebay.com/ebaymotors/ws/eBayIS...T&viewitem= 
		
		
		
		
		
		
		
		
	
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			#2  
			
			
			
			
			
		 
		
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			So, given the applications that you listed, are these 2.5" in and out? 
		
		
		
		
		
		
			
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	Sam... ![]()  | 
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			#3  
			
			
			
			
			
		 
		
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			That Thrush muffler should be 2.5"ID inlet----2"ID outlet..These mufflers are straight thru --no fiberglass..just baffle slits along the inside muffler wall...You can mix in the adapter sleeves if need be.. 
		
		
		
		
		
		
		
		
	
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			#4  
			
			
			
			
			
		 
		
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			Thats correct..box say's 2 1/2 id. on one end and 2 inch id. other end..also comes with two adapters for each muffler plus one comes with the muffler clamp..other is missing the clamp. 
		
		
		
		
		
		
		
		
	
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