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Discussion Starter #1
Hi all,

Anybody know what diameter the oem downpipes are where they connect to the y-pipe?

For most 90mm aftermarket exhausts like my MeisterR and GTC titan etc which are 90mm in diameter at the single end of the Y pipe and where it connects to the midpipe. Are the twin ends of the Ypipe narrower than 90mm where they connect to the downpipes? (hope that makes sense!)

I'm thinking of buying some 90mm milltek cast downpipes off a forum member and just trying to make sure everything matches up.

Thanks for any help :thumbsup:
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