All Motor / Naturally Aspirated No power adders

2.5" straight-thru vs 3" chambered muffler.

Thread Tools
 
Search this Thread
 
Old Apr 27, 2005 | 08:11 PM
  #1  
Takumi Fujiwara's Avatar
Thread Starter
Honda-Tech Member
 
Joined: Mar 2003
Posts: 2,091
Likes: 0
From: Little Tokyo, CA, USA
Default 2.5" straight-thru vs 3" chambered muffler.

From strictly a performance aspect, how to the 2 setups compare to each other: Both mandrel bent piping:

1) 2.5" catback with 2.5" straight-thru muffler
2) 2.5" catback with 3" chambered muffler (flared where loop-over axle piping connects to muffler).

Reply
Old Apr 28, 2005 | 03:29 AM
  #2  
StorminMatt's Avatar
Honda-Tech Member
 
Joined: Feb 2002
Posts: 4,303
Likes: 2
From: Sacramento, CA, USA
Default Re: 2.5" straight-thru vs 3" chambered muffler. (Takumi Fujiwara)

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by Takumi Fujiwara &raquo;</TD></TR><TR><TD CLASS="quote">From strictly a performance aspect, how to the 2 setups compare to each other: Both mandrel bent piping:

1) 2.5" catback with 2.5" straight-thru muffler
2) 2.5" catback with 3" chambered muffler (flared where loop-over axle piping connects to muffler).

</TD></TR></TABLE>

I'd take the 2.5 inch straight-through.
Reply
Old Apr 28, 2005 | 03:50 AM
  #3  
cpforyou's Avatar
 
Joined: Sep 2002
Posts: 1,395
Likes: 0
From: Oxnard, CA, USA
Default Re: 2.5" straight-thru vs 3" chambered muffler. (StorminMatt)

Is the point of this because the 3" Chambered Muffler would be quieter, hence the consideration?
Reply
Old Apr 28, 2005 | 10:10 AM
  #4  
rice4life's Avatar
Honda-Tech Member
iTrader: (3)
 
Joined: Feb 2002
Posts: 1,534
Likes: 0
From: Carlisle, PA, usa
Default Re: 2.5" straight-thru vs 3" chambered muffler. (cpforyou)

have you consider Mugen style twin-loop 2.5" mufler?
Reply
Old Apr 28, 2005 | 12:48 PM
  #5  
Takumi Fujiwara's Avatar
Thread Starter
Honda-Tech Member
 
Joined: Mar 2003
Posts: 2,091
Likes: 0
From: Little Tokyo, CA, USA
Default Re: 2.5" straight-thru vs 3" chambered muffler. (cpforyou)

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by cpforyou &raquo;</TD></TR><TR><TD CLASS="quote">Is the point of this because the 3" Chambered Muffler would be quieter, hence the consideration?</TD></TR></TABLE>

Exactly the reason I was considering it. I want the best of both worlds, is that too much to ask?
Reply
Old Apr 28, 2005 | 12:49 PM
  #6  
Takumi Fujiwara's Avatar
Thread Starter
Honda-Tech Member
 
Joined: Mar 2003
Posts: 2,091
Likes: 0
From: Little Tokyo, CA, USA
Default Re: 2.5" straight-thru vs 3" chambered muffler. (rice4life)

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by rice4life &raquo;</TD></TR><TR><TD CLASS="quote">have you consider Mugen style twin-loop 2.5" mufler?</TD></TR></TABLE>

I might try that OBX 2.5" twinpass, it's $100... I guess I can't really lose... but I'd rather buy something the first time and like it.
Reply
Old Apr 28, 2005 | 02:02 PM
  #7  
Mr_CRX's Avatar
Honda-Tech Member
iTrader: (1)
 
Joined: Jan 2004
Posts: 4,914
Likes: 1
From: SD, CA, USA
Default Re: 2.5" straight-thru vs 3" chambered muffler. (Takumi Fujiwara)

bump. I'd like to know too. This sounds like a reasonable idea. I know everyone with a Honda seems to say "straight thru" is the best, but all the v8 guys I know run chambered setups.
Reply
Old Apr 28, 2005 | 03:50 PM
  #8  
Takumi Fujiwara's Avatar
Thread Starter
Honda-Tech Member
 
Joined: Mar 2003
Posts: 2,091
Likes: 0
From: Little Tokyo, CA, USA
Default Re: 2.5" straight-thru vs 3" chambered muffler. (Mr_CRX)

bumpz
Reply
Old Apr 28, 2005 | 03:56 PM
  #9  
Takumi Fujiwara's Avatar
Thread Starter
Honda-Tech Member
 
Joined: Mar 2003
Posts: 2,091
Likes: 0
From: Little Tokyo, CA, USA
Default Re: 2.5" straight-thru vs 3" chambered muffler. (Takumi Fujiwara)

Reply
Old Apr 28, 2005 | 09:27 PM
  #10  
Takumi Fujiwara's Avatar
Thread Starter
Honda-Tech Member
 
Joined: Mar 2003
Posts: 2,091
Likes: 0
From: Little Tokyo, CA, USA
Default Re: 2.5" straight-thru vs 3" chambered muffler. (Takumi Fujiwara)

Reply
Old Apr 28, 2005 | 09:52 PM
  #11  
VSBB6's Avatar
Junior Member
 
Joined: Dec 2000
Posts: 690
Likes: 1
From: Canada
Default Re: 2.5" straight-thru vs 3" chambered muffler. (Takumi Fujiwara)

i would use 2.5" straight thru with 3" straight through muffler
Reply
Old Apr 28, 2005 | 11:11 PM
  #12  
gldndrgn14's Avatar
Honda-Tech Member
20 Year Member
iTrader: (1)
 
Joined: Nov 2001
Posts: 679
Likes: 0
From: mustang, ok, usa
Default Re: 2.5" straight-thru vs 3" chambered muffler. (VSBB6)

id use the vibrant straight though muffler. i have it. ahha 2.5 inch kteller with the 14" resonator. its quiet. its as quiet as my comptech 2.25 piping with a flow master. https://honda-tech.com/zero...age=1
Reply
Old Apr 28, 2005 | 11:56 PM
  #13  
DAmn's Avatar
 
Joined: Mar 2005
Posts: 743
Likes: 0
From: bakersfield, ca, usa
Default Re: 2.5" straight-thru vs 3" chambered muffler. (gldndrgn14)

the rsr exmag has good flow while remaining very quiet, dont know if youd want the 2.36' piping though.
Reply
Old Apr 29, 2005 | 03:25 AM
  #14  
Takumi Fujiwara's Avatar
Thread Starter
Honda-Tech Member
 
Joined: Mar 2003
Posts: 2,091
Likes: 0
From: Little Tokyo, CA, USA
Default Re: 2.5" straight-thru vs 3" chambered muffler. (DAmn)

isn't the RSR mag a 60mm chambered muffler?
Reply
Old Apr 30, 2005 | 03:14 AM
  #15  
StorminMatt's Avatar
Honda-Tech Member
 
Joined: Feb 2002
Posts: 4,303
Likes: 2
From: Sacramento, CA, USA
Default Re: 2.5" straight-thru vs 3" chambered muffler. (Mr_CRX)

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by Mr_CRX &raquo;</TD></TR><TR><TD CLASS="quote">but all the v8 guys I know run chambered setups. </TD></TR></TABLE>

V8 guys run chambered mufflers (ie Flowmaster) because they prefer the sound of them. Not because they make more power.
Reply
Old Apr 30, 2005 | 06:51 AM
  #16  
jdmcx's Avatar
Honda-Tech Member
 
Joined: Jun 2002
Posts: 1,217
Likes: 1
From: Berrien Springs MI
Default Re: 2.5" straight-thru vs 3" chambered muffler. (Takumi Fujiwara)

what about 2.5 straight-thru no resonator and a apexi WS muffler??
Reply
Old Apr 30, 2005 | 07:02 AM
  #17  
Phase Change Racing's Avatar
 
Joined: Sep 2004
Posts: 365
Likes: 0
From: Spokane, WA, USA
Default Re: 2.5" straight-thru vs 3" chambered muffler. (Takumi Fujiwara)

Go for the straight though muffler. Many times chambered mufflers are the same core muffler from 2" to 3.5" and they just change the inlet/outlet sizes anyway. As long as you don't put some ungodly fart tip on the muffler i'd put my money on the straight-through being quieter as well.
Reply
Old Apr 30, 2005 | 08:26 AM
  #18  
Mr_CRX's Avatar
Honda-Tech Member
iTrader: (1)
 
Joined: Jan 2004
Posts: 4,914
Likes: 1
From: SD, CA, USA
Default Re: 2.5" straight-thru vs 3" chambered muffler. (StorminMatt)

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by StorminMatt &raquo;</TD></TR><TR><TD CLASS="quote">V8 guys run chambered mufflers (ie Flowmaster) because they prefer the sound of them. Not because they make more power.</TD></TR></TABLE>

ah ok. thanks
Reply
Old Apr 30, 2005 | 08:28 AM
  #19  
cpforyou's Avatar
 
Joined: Sep 2002
Posts: 1,395
Likes: 0
From: Oxnard, CA, USA
Default Re: 2.5" straight-thru vs 3" chambered muffler. (Mr_CRX)

Well, I just picked up a RSX Type S Muffler with plans to have the inlet modified to 2.5"
Reply
Old May 1, 2005 | 09:47 PM
  #20  
Takumi Fujiwara's Avatar
Thread Starter
Honda-Tech Member
 
Joined: Mar 2003
Posts: 2,091
Likes: 0
From: Little Tokyo, CA, USA
Default Re: 2.5" straight-thru vs 3" chambered muffler. (cpforyou)

up
Reply
Old May 2, 2005 | 05:22 PM
  #21  
Takumi Fujiwara's Avatar
Thread Starter
Honda-Tech Member
 
Joined: Mar 2003
Posts: 2,091
Likes: 0
From: Little Tokyo, CA, USA
Default Re: 2.5" straight-thru vs 3" chambered muffler. (Takumi Fujiwara)

Anyone have any thoughts on this muffler? Edelblock RPM performance mufflers

It splits within in the muffler than comes back together before it exits.
Reply
Old May 2, 2005 | 06:38 PM
  #22  
Takumi Fujiwara's Avatar
Thread Starter
Honda-Tech Member
 
Joined: Mar 2003
Posts: 2,091
Likes: 0
From: Little Tokyo, CA, USA
Default Re: 2.5" straight-thru vs 3" chambered muffler. (Takumi Fujiwara)

up
Reply
Old May 3, 2005 | 09:25 PM
  #23  
Stock@$$GSR's Avatar
Junior Member
 
Joined: Feb 2002
Posts: 703
Likes: 0
From: Bay Area, Ca., USA
Default Re: 2.5" straight-thru vs 3" chambered muffler. (Takumi Fujiwara)

That Edelbrock muffler looks interesting, wonder how it performs/ sounds.

Just to throw another muffler out there, how about the Dynomax Super Turbo muffler? Don't know how this performs or sounds either, but with this in a 3", it may be a cheaper/ more stock looking alternative to a twin loop

http://www.dynomax.com/superturbo.stm

Reply
Old May 4, 2005 | 02:36 AM
  #24  
Takumi Fujiwara's Avatar
Thread Starter
Honda-Tech Member
 
Joined: Mar 2003
Posts: 2,091
Likes: 0
From: Little Tokyo, CA, USA
Default Re: 2.5" straight-thru vs 3" chambered muffler. (Stock@$$GSR)

Anyone know of a better picture of the layout of the inside of that dynomax? nice find btw. Are those rectangles at the end? I'm hoping where it makes that 180 degree turn (twice) it is mandrel bent.
Reply
Old May 4, 2005 | 07:26 AM
  #25  
cpforyou's Avatar
 
Joined: Sep 2002
Posts: 1,395
Likes: 0
From: Oxnard, CA, USA
Default Re: 2.5" straight-thru vs 3" chambered muffler. (Takumi Fujiwara)

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by Takumi Fujiwara &raquo;</TD></TR><TR><TD CLASS="quote">Anyone have any thoughts on this muffler? Edelblock RPM performance mufflers

It splits within in the muffler than comes back together before it exits.</TD></TR></TABLE>

RPM Series Mufflers
2-1/2'' Center In
2-1/2'' Center Out
15'' Long x 7-1/8'' Wide x 3-5/8'' Height



Looks very interesting. I wonder "quiet" this thing can be paired w/ a 2.5" pipe and resonator.
Reply



All times are GMT -8. The time now is 03:39 PM.