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340 1.7 mkiii , exhaust pipe diameter?

Posted: 15 Dec 2008 08:21 pm
by djbolf
Random question i know , but does anyone know the internal or external diameter of the centre section piping?

I'm replacing the centre section box with a straight pipe and fitting a different backbox.

Posted: 16 Dec 2008 12:52 am
by filthyjohn
Not off the top of my head, but those big thick catalogues in the motor discount shops have the diameters in them, so you could ask in your local one?

Posted: 16 Dec 2008 10:56 pm
by djbolf
done now , anyone wanting to do the same , you need 50 mm internal diameter pipe,