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 CLOSEOUT    We have two left  then  they will be discontinued   
These aluminum bells are 4-1/2" tall and fit over any stack injection stack 2-1/2" OD    Thickness is .060"  
Very malleable   aluminum 
	For accuracy of size measure the OUTER DIAMETER of your stack. 
2-1/2"  inner diameter!   Go OVER   2-1/2" Stacks