Thread: Walker Big Truck Muffler (BTM)
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  #18 (permalink)  
Old 09-21-2008, 02:26 PM
NCHornet NCHornet is offline
Powerstroke Techie
  

Join Date: Aug 2006
Posts: 4,373
There wasn't a change is exhaust size from 99-99.5, I believe the down pipe is 3" and the exhaust 3.5"

NCH
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