Will going down .1" exhaust piping diameter....cause bottlenecking?

beck, did you not read this post?

13% less area

the WS isnt going to be any mroe quiet that the current far cannon.
you’re a retard for wanting to go with a smaller exhaust on a turbo car that you want to put a bigger turbo on and turn the boost up more on.
go 3" and stop being a fucking retard