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 > > > > > To send a message to this group, send an email to: > Chrysler300@xxxxxxxxxxxxxxx > > For list server instructions, go to > http://www.chrysler300club.com/yahoolist/inst.htm > Yahoo! Groups Links > > > > > > > > > To send a message to this group, send an email to: > Chrysler300@xxxxxxxxxxxxxxx > > For list server instructions, go to http://www.chrysler300club.com/yahoolist/inst.htm > Yahoo! Groups Links > > > > > > ------------------------ Yahoo! Groups Sponsor --------------------~--> Yahoo! Autos. Everything you need to know about buying or selling a car. FREE Quotes, 360° Tours, Research, Blue Book, Compare Vehicles, Buy Used http://us.click.yahoo.com/kEZsdA/bwnGAA/YiGOAA/8LmulB/TM --------------------------------------------------------------------~-> To send a message to this group, send an email to: Chrysler300@xxxxxxxxxxxxxxx For list server instructions, go to http://www.chrysler300club.com/yahoolist/inst.htm Yahoo! Groups Links <*> To visit your group on the web, go to: http://groups.yahoo.com/group/Chrysler300/ <*> To unsubscribe from this group, send an email to: Chrysler300-unsubscribe@xxxxxxxxxxxxxxx <*> Your use of Yahoo! Groups is subject to: http://docs.yahoo.com/info/terms/