All Things Mk5 > How to Guides / Troubleshooting
Exhaust fitting
perksy:
Ok so after a bit of research I have found the internal diameter of the Direnza exhaust is 2.75" all the way through which is just about exactly 70mm.
I now just need to know what the internal diameter of the standard cat exit pipe is.
Any ideas anyone please?
James
Ricky123:
Don't have a clue on that bud as I fitted it to a decat downpipe. I think your probably better off with the external diameter as I'm sure the original exhaust slides over the downpipe and you'd get a better fit.
The adapter from MIJ comes in one length only and it was perfect when fitted and didn't need any modification.
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