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Discussion Starter · #1 ·
So ive looked on the net and searched the site but with no luck...does anyone know the factory exhaust diameter right before the muffler on a 2003 quad cab 5.7 hemi? any help will be greatly appreciated and thanks
 

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It should be 3".
 

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I guess I could measure once I get home. I have my stock muffler in my shed.
 

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Discussion Starter · #7 ·
Thanks for the imput...got new exhaust on the way now. I'm gonna rock a flowmaster supper 44 single in dual out with turn downs for now. Exhaust work in Alaska is crazy expensive.
 
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