david zavetsky wrote:
> I would say that the headers would make the MOST marked improvement,
> followed by the muffler. As far as "fake duals" go, I agree.....There
> cant be much gain just by adding an extra exhaust pipe after the exhaust has
> had to flow through ONE pipe, muffler and cat almost its whole trip.
>
> >From what I understand, the exhaust pulse is most effected by the first
> several feet of exhaust. This is why headers make such a difference...how
> well they scavange gases from the cylinder.
>
> I talked to a Dak hot-rodder (turned his 94 into a strip truck) and he said
> the only way to get dual performance is to get true duals. WHich, on the
> Dak, requires re-locating the gas tank to the bed.
> MAYBE NOT when the r/t's hit the street examine one. It is supposed to have
> duals
all the way to the muffler. You can run duals down the same side. This is done on
manytrucks with true duals. The Ram V10 does the same. Duals down the same side.
Gas tank
STAYS where it is!
>
>
> At 08:32 PM 2/19/98 -0500, you wrote:
> The most marked single improvement was the
> >Gibson cat back exhaust with a set of JBA shorty headers which use the
> factory Y
> >pipe. I picked up 2 mph at the strip and 2 mpg on the road with this
> modification.
> >
> >A few years ago CC did a 2.2 turbo package called the Super 60. The
> development was
> >done on a dyno and with mufflers and the Dynomax Ultra made 20HP more than the
> >Flowmaster.
> >
> >KW
> >
> >Joe Borg wrote:
> >
> >> Jeff, I recently called flowmaster. They stated with minor mods, the
> >> stock exhaust system is more than adequate when a flowmaster 2 chamber
> >> muffler is installed. They stated 3" pipe does not have enough
> >> backpressure and although sounding "meaner" woulsd actually slow you
> >> down. The concept of single in dual out mufflers is pure show and no
> >> go. An exhaust system can only be as efficient as its weakest point -
> >> the 2 into 1 y pipe and cat. Unless you install 2 cats with a true
> >> dual setup you are gaining nothing but sound and appearance. Joe Borg
> >>
> >> ______________________________ Reply Separator
> _________________________________
> >> Subject: DML: Gibson exhaust installation
> >> Author: <dakota-truck@buffnet.net> at internet
> >> Date: 2/17/98 3:09 PM
> >>
> >> snip
> >>
> >> Does flowmaster make a similar kit?
> >>
> >> Thanks.
> >>
> >>
> >> jeff
> >> 98 RC 4x2 V8 5spd 3.55SG flares
> >
> >
> >
> >
> >
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