So the pic above is the normal exhaust in non valved (US version) first pic and valved (Eu Version) second pic.

The Sports exhaust is below in US version non valved first pic and Euro version second pic with valves (they look slightly different in the pics below but I think one is upside down to the other)

 



poems by Aeschylus[url=https://imgbb.com/]


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997 GT2 2014 3.9 Mezger, 800PS @ 1.2 bar

2018 McLaren 720S 

993 Turbo, 2006 built 3.8, 577PS/797NM, 1440kg DIN sold to a worthy enthusiast.