[AMS Performance]

Originally Posted by FatTony001

Thanks alot on the info AMS

and the point of the thread...

Will these high flow cats increase the exhaust sound on a good note?

I guess on a 55 NA AMG it's 3" inlet/outlet

Hello Tony,

Yes they increase flow as well as improve exhaust note. The stock OD of the AMG piping is 2.35" roughly so 2.5" is the best size for your application.

Hope that helps,
~AMS~