I have a 2008 gmc sierra 1500, i want to put a super 44 series

josh m

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flowmaster on it what size inlet do i need? What inlet does the flowmaster have to have to fit my truck?
 
If you are just cutting your muffler off and replacing it it should be 2 1/2 inlet. but you can go to any muffler shop and they will do it for you. they might even have the super 44s there.
 


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