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139 Posts
Discussion Starter · #1 ·
Hey everyone,

I'm thinking of having a fully custom single exhaust made for my Z.

Just wanted to know what diameter piping would be best for everything:

1. Off the cats
2. At the base and end of the "Y" where they meet and attach to the piece before the muffler
3. Back to the muffler

Should there be resonators after the cats? I know a lot of dual exhausts are sold like that, but I noticed most Y-pipes don't have it.

Any feedback, info, pics, vids, anything is appreciated.

Thanks in advance!!

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