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Re: Putting 4000 quattro manifold on '85 Coupe GT?

> While we are on this subject, does anyone know how the
2.3L I5 exhaust
> manifold compares to the 4Kq and 2.22L CGT manifold? 

>From the one (2.3 liter) I looked at Santa Fe several
months ago they are all three very different. The 4Kq is
the only high performance manifold and downpipe Audi
imported to the US market for the NA 5 cyl.

Rough measure, but the 2.3 appeared to no better than a 2"
dia. downpipe compared to the 4kq's 2.5".

> I have not looked at it carefully, but I think the 2.3L
system uses two
> downpipes from the EM to the cat, and I believe it bolts
up to the cat in
> the same manner as the earlier Coupes.  Perhaps the 2.3L
downpipe could be
> used on the 4Kq manifold, or maybe the 2.3L EM would be
another good
> alternative to the 2.22L CGT EM. 

You looks at a very different set up than the one I saw at
Santa Fe. I believe the one I looked at was out of a 90