While we're at it, I figured I would also add that:
a) SHOs (like most gasoline engines) do NOT require backpressure to make
power.
b) any "loss" that is experienced or measured from the use of a catless Y-pipe
on a V6 SHO can almost always be regained with a little bit of EEC tuning.
Adam
----- Original Message -----
From: G Kerby Haltom
To: Kenneth Epperly ; shotimes
Sent: Tuesday, August 22, 2006 3:17 PM
Subject: Re: [Shotimes] new y-pipe purchase
And CARB approval doesn't count in most of the US...
Kerby
Kenneth Epperly <epperly1@optonline.net> wrote: Yes that is true, but
neither the state or private inspection ever
questioned me on it.
Ken
Subject: Re: [Shotimes] new y-pipe purchase
.
>
> Ironically, none of the (at least the old SS unit and PP/FPS unit) are
> legal
> either, even with cats since none were EPA/CARB approved. So while it
may
> pass the visual inspection, technically, it's still a modification to an
> emissions control device (same as a tweecer, etc) with a non CARB
approved
> device.
>
> I ran a catless pipe on my 92 (and old 89) at the track simply because
> sustained high rpm on a lean(er) burn AF ratio is hard on the cats. I
> have
> a PP pipe w/ cats for the street.
>
> Whichever one you get, if you are looking for max performance dump the
> 2.25"
> oulet and go to 2.5" or 2.75"
>
> mark
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> Shotimes@autox.team.net
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