Re: Exhaust systems

From: Cale (vencomatic@ameritech.net)
Date: Fri Apr 14 2000 - 04:43:23 EDT


I'll let the other regulars with more tinker-experience handle this one.
Bernd...BERND!!!!!!! This guy has a question! Beeeeeerrrrnd!!!!

Vincent Grimard wrote:
>
> How will the size affect power and performance? Sorry I'm a newbie at this.
>
> Vince
>
> -----Original Message-----
> From: Cale [mailto:vencomatic@ameritech.net]
> Sent: Thursday, April 13, 2000 11:20 PM

> To: dakota-truck@buffnet.net
> Subject: Re: DML: Exhaust systems
>
> In fluid dynamics terms, there's more to it than just cross sectional
> area, but in a general sense you can rely on it for guesstimating
> comparative gas flow capacities.
>
> 1" pipe = 0.7854 sq. in.
> 1.5" = 1.7671
> 2.0" = 3.1416
> 2.75" = 5.9396
> 3.00" = 7.0686
>
> difference in areas between the 2.75 and 3.0 pipes is 1.129 sq.in., or
> look at it as 19% better flow. Again, this is a really rough
> calculation. You will note that dual 1.5" pipes only flow 50% of what a
> single 3" will. That is why you will find a 3" cat back Flowmaster on
> my truck instead of the more complex, heavier dual systems that seem to
> be so popular.
> Cheers,
> Cale
> 98cc318sporty
>
> Bernd D. Ratsch wrote:
> >
> > All of the systems you listed are excellent choices. The final deciding
> > factor is the sound that you want. I've run Dynomax and Flowmaster (and a
> > few others) on my V6 and found that they both performed the same but I
> > personally liked the Flowmaster sound better.
> >
> > The choice is yours.
> >
> > - Bernd
> >
> > At 11:45 AM 04/13/2000 -0600, you wrote:
> > >Hey all,
> > >
> > >I'm about to get an exhaust system and now I've heard from a few people
> that
> > >the flow master maybe the way to go. Is there a clear exhaust system out
> > >there that is the best one to get?
> > >
> > >Dynomax
> > >Flowmaster
> > >Gibson
> > >
> > >??
> > >
> > >The other thing I'm looking at also is the size of the pipe... I've been
> > >told 2 3/4 and 3. What's the difference between them?
> > >
> > >Thanks
> > >
> > >TOADIE
> > >
> > >99 Dakota Sport CC



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