L83 to L86 exhaust.

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16 Suburban L83. I was thinking of using a y pipe connection for an L86 after the long tube headers with an L86 catback specifically magnaflow 19040 meant for Yukon XL & ESV to up size from a 3” to 3.5” piping. My question is everything should line up as far as exhaust hangers and such right? With it being all the same platform, I’m assuming it would. Thoughts?
 

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