Neil_jdmr Posted November 13, 2020 Share Posted November 13, 2020 Hi all, just doing homework. Since i plan on not having the pse option and just replacing the oem exhaust for something better. I've looked at all the usual contenders, carnewal, remus, milltek and everything is standard 2.25" pipework. Is there any other uk options with 2.5" pipework. Alternatively is the 2.25" pipework really adequate for the flat 6? I just can't help but think this must be choking flow somewhat. I understand porsche did countless hours of r&d blah blah but they had many other environmental/economic/regional restrictions that i don't. Any opinions and comments are welcome, like i said this is just homework. Thanks Neil Link to comment Share on other sites More sharing options...
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