Jim, 

The 16v downpipe only works with the double out 16v exhaust
manifold.  I believe the 16v manifold will fit up to an 8v head. 
If I'm wrong I'm sure someone will correct me.  The 16v manifold
is a 4 into 2 and the downpipe is a 2 into 1.  This should help
the 8v motor breath much better and you won't have to deal with
the 8v manifold/dowmpipe connection which I have heard can be a
pain in the ass.  

Jesse


Jim Bonnet wrote:
> 
> I have an 8V question.. Hope it's ok to post here.. Car in question is
> an 87 GTI 8V stock motor. Im planning on doing a new exhaust becuase the
> current one is riddled with rust holes. I probably will go with the TT
> 2.25" cat back. I hear rumors that you can put the 16V downpie on the 8V
> motor and it will breathe a little better. Is there any truth to this
> rumor? Do you need the 16V EM also?
> 
> Another question-- What wt. oil are folks in central california running
> in the 8v or 16v cars? I just got the car, the book says 20-50? for a
> warmer climate. Does that sound like what you guys are running?
> 
> Thanks-
> Jim Bonnet
> 
> Hollister, Ca.
> 00Passat 4MO
> 93//S4
> 87GTI8V
> 
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