Re: 16v downpipe on a Rabbit GTI?

["Nigel Heron" <nigel@psycode.com>]

"Wm. Josiah Erikson" wrote:

> Hello all,
>         I have what I think is a stock 16v Scirocco downpipe, and it's a
> nice-looking piece. It actually looks like a better piece of equipment to
> me than the AutoTech Tri-Y header that I have. At least less likely to
> break. Can I use it on an 8v Rabbit, or is the offset to the side
> different or something? If I can use it, am I right that I'll only be
> sacrificing like 1bhp? (And yes, I'm aware that I'll have to get myself a
> dual outlet manifold - standard diesel rabbit fare, or 16v Scirocco
> manifold? I don't even know if a 16v manifold will hold onto an 8v head...
> will it?)

i'm doing this to my project car. The flange and the spacing between the 2
pipes is completely different, you'll have to fabricate something. The 16v
rocco downpipe finishes in 2 1/4 which might be too big for you. If it's a
euro-16v downpipe (no cat) it won't mate to an 8v exhaust 'cause the pipe
angle is different at the end. The 16v manifold is totally different, the port
sizes, port shapes, stud bolt arrangement ... it's *all* different.

i took a bunch of pics of 16 vs 8v exhaust stuff, i'll try to put them up
soon.

-nigel.


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