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Are 2016 F3 & 2021 RT Stock mufflers/cats interchangeable?

blacklightning

Well-known member
I have a 2016 F3 limited and a 2021 RTL. The mufflers and cats appear to be the same. Does anyone know if they are interchangeable? My reason for asking is because I like the sound of my F3L, but my RTL is just too quiet. I have a cat delete that I can install on the RTL, but I don’t want to lose tq., or have it too loud. The F3L sound is just what I want.
 
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My experience is the mufflers have different hanging points. And I'm fairly certain they have a different pipe angle/ connection angle on the connection pipe. Its only a 1/2 test to confirm. Dennis
 
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