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Hello and thank you as well for welcoming me in this forum.

Hey everyone
I would like to know the best exhaust for audi rs3
i mean from cost to performance

I saw this video which compares all audi rs3 exhaust
https://www.youtube.com/watch?v=x2ckdZf1w1Q

can you advise which rs3 exhaust is the best to your opinion and experience? and setup costs?