Re: [Chrysler300] 300C/D mufflers...thanks

["Owen & Jo Grigg" <ram300@xxxxxxxxxx>]

Thanks to all for the help, it has convinced me to stay with the OEM-style
system.
Owen
----- Original Message -----
From: Steve Galezowski <stevenlulu@xxxxxxxxxxxx>
To: Owen & Jo Grigg <ram300@xxxxxxxxxx>; <Chrysler300@xxxxxxxxxxxxxxx>; Jack
Farris <jackfarris@xxxxxxxxxxxxx>
Sent: Friday, June 25, 2004 3:23 AM
Subject: Re: [Chrysler300] 300C/D mufflers


> I had the same experience with Flowmasters on my L two years ago. Even
using
> the big 3 chamber Delta flows with an X crossover AND resonators, it was
too
> loud inside. The drone when lifting off the throttle was especially bad. I
> switched to OEM style mufflers and now it sounds acceptable. I couldn't
> really detect any loss in performance either. That said, if anyone wants
to
> buy a slightly used (2 weeks) set of flowmasters for 2.5" pipes, I can
offer
> mine cheap.
>
> Steve Galezowski
> 300L
>
> ----- Original Message -----
> From: "Jack Farris" <jackfarris@xxxxxxxxxxxxx>
> To: "Owen & Jo Grigg" <ram300@xxxxxxxxxx>; <Chrysler300@xxxxxxxxxxxxxxx>
> Sent: Wednesday, June 23, 2004 10:59 PM
> Subject: Re: [Chrysler300] 300C/D mufflers
>
>
> About four years ago, after some mild modifications to the 383 cid engine
in
> my '66 300, I had a 2.5" dual exhaust system installed with 3-chamber
Delta
> Series Flowmasters. The 2.5" pipes ran all the way from the manifolds to
the
> exhaust tips with no stepdown. It sounded great from the outside! The
inside
> was another story. The droning was terrible. The muffler shop said I
needed
> resonators--so I had them installed. Slight improvement, but still too
much
> drone. I called Flowmaster for advice. They said a crossover (H-Pipe)
should
> help. I had that installed. Slight improvement, but still too much drone.
I
> changed out all the hangers to make sure that the system was totally
> isolated--no improvement.
>
> After a couple of months of frustration, I removed the Flowmasters and
> installed OEM-style Walker mufflers. The droning was gone. The car now
> sounds great. It has the deep big block burble that I was hoping for in
the
> first place.
>
> Jack
> -------------------------------------------------------------------
> > From: "Owen & Jo Grigg" <ram300@xxxxxxxxxx>
> > Date: Thu, 24 Jun 2004 11:38:47 +1200
> > To: <Chrysler300@xxxxxxxxxxxxxxx>
> > Subject: [Chrysler300] 300C/D mufflers
> >
> > Hi all
> > My 300C "driver" is due for a new exhaust system, I was considering
going
> to a
> > 2.25" system from front to back rather than stepping down to 2"
tailpipes
> as
> > original. Would be interested in what others have done? Also what
mufflers
> to
> > use to get the most out of the 300C without getting a drone thru the car
> or a
> > headache after five minutes drive. I see Flowmaster are doing a 3
chamber
> > muffler, has anyone used these? I guess what I'm trying to do is get the
> hemi
> > to breathe a bit better/less restrictive but keep as close to original
in
> > style/look.
> > I note that Flowmaster recommend the following, which suggests that the
> > standard system is restrictive?
> >
> >
> > a.. What pipe size should I use for a street application?
> > In general, the following guidelines should be followed for street
> > applications.
> >     2" tubing up to 100 hp per pipe
> >     2.25" tubing up to 160 hp per pipe
> >     2.5" tubing up to 200 hp per pipe
> >     3" tubing up to 300 hp per pipe
> >
> >
> > Thanks.
> > b.. Owen
> > c.. Auckland,NZ
>
>
>
>
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