Summit racing muffler question

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hemi_hawk

Senior Member
Joined
Oct 9, 2011
Posts
460
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31
Ram Year
2011
Engine
hemi 5.7
http://m.summitracing.com/parts/sum-630144


Looking to try the above muffler which is what i think a fm s10 replica. My question is how much adapter pipe do i need, not sure how to figure it out also what size adapter pipe ? Would like to drive to summit and buy both at the same time
 
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