68 Ghia Convertible

[Wally]

Originally Posted by rioprelude

Did you run 1 5/8" diameter exhaust with your normally aspirated engine?

On the 2,2ltr, yes (although 42mm outside diameter, which is 39mm inside with a 1,5mm wall). 1 5/8" is 41,275mm outside which is very close and depending on your wall thickness.
Fact I ran that, doesn't neccesarily mean it was the right choice hey ;-)

On my old 2,7ltr I used a 1 7/8" though..