I used the stock Federal Exhaust system for six years (swapped out a few
parts from donors but stock), I recently installed a S&S exhaust system
with equal length header pipes, a small ugly muffler and my engine runs
smoother, has more power and opened up a big space in the muffler
mounting area that allows better air flow and it resulted in lower engine
temp. Its only slightly louder than stock but I still get the condensate
drip without the Catalytic converter.
All in all a good buy at $120.00 but I'm holding onto the OEM system just
in case I have to have them to pass inspection. My vehicle is inspected
in an area that does not require the tailpipe sucker but in many
situations the inspection station still demands that it have all of the
original EGR parts installed whether they function or not.

Stan Wilder

On Thu, 27 Dec 2001 10:57:41 -0800 Joseph Fortino <fortino1@ONEBOX.COM>
writes:
> slight spin off, but what if one has removed the cat. converter
> and not using one? what effect does this have. Maybe some back
> pressure?
> will your mixture differ? without a cat.
>
>
> slight spin off was refering to me :) regarding the subject and
> content.
>
> hope all had a very nice Christmas. took me 45mins to unpack
> the toys in the van. ahhhhhhhhhhhh
>
> Joe
>
> --
> Joseph  Fortino
> fortino1@onebox.com - email
>
>
>
>
> ----         David Beierl <dbeierl@ATTGLOBAL.NET> wrote:
> > At 01:36 PM 12/27/2001, Stan Wilder wrote:
> > >I just wondering and I knew you'd know the answer to this: What
> is
> > that
> > >stuff that drips out you tail pipe in winter months?
> >
> > Same stuff that comes out all the time -- put in oxygen and
> hydrocarbon
> > fuel (gasoline), get out carbon dioxide and water.  Lots of it.
> One
> > reason
> > that hydrogen is an attractive fuel is that the end product is
> simply
> > water, without the CO2.
> >
> > The catalyst functions to adjust the small amounts of
> hydrocarbons
> > (burn
> > them to H2O and CO2), nitrogen oxides (reduce them to nitrogen)
> and
> > carbon
> > monoxide (oxidize to CO2).  The reason we need an O2 sensor on
> the
> > engine
> > is that the mixture control must be very close in order for the
> ratios
> > to
> > come out right in the cat. converter.
> >
> > david
> >
> >
> > --
> > David Beierl - Providence, RI
> >   http://pws.prserv.net/synergy/Vanagon/
> > '84 Westy "Dutiful Passage"
> > '85 GL "Poor Relation"
> >
>
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