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Discussion Starter #1
What is the stock exhaust size for a 2017 Scat Pack 6.4L? Some say 2.75", some say 3.00".

TIA :smile:
 

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2015 RT 5.7 M6
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Yup, the stock cat-back is 2.75" (even on the 5.7 as of 2017).

Napa calls out a EXH 36460 band clamp which is 2.75"
 
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