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2008 hemi exhaust question

817 views 0 replies 1 participant last post by  liljohn30 
#1 ·
I have an 08 quad cab hemi ram gonna change the exhaust for some extra ponys and growl,i like the flowmaster american thunder series 17423.. i know there will be gains with this system.The question is what kinda gains will i get if just the muffler was changed..I looked under the truck and there is a muffler about 12 in from the exhaust tip behind the rear tire and then a monsterous unit that is 31 in under the truck.what is what meaning what is the bigger unit cant be a cat think i see them above the y pipe going to the headers,is the larger unit the muffler and the smaller unit the resonator?
 
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