You can use the 16v dual downpipe but NOT the 16v manifold. You'll need a dual outlet manifold off of an 8v car (late A2 8v Jettas, all A2 8v GLI's I think).

On my car I'm running a dual outlet manifold off of a '91 8v jetta, dual downpipe off of a 16v passat, large flange 50mm cat and 50mm TT exhaust. I don't know if there are improvements in power over stock, as I'm going from headers to this setup, but I didn't notice any losses, either, so its a safe bet. If you want, I'd even sell you my (well) used header, but you won't be able to get a cat on there.

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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