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Quietest Hi Performance Muffler?

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Old Jul 27, 2001 | 03:08 AM
  #1  
Sitting Bull's Avatar
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From: Calgary, Alberta, Republic of Western Canada
Car: 1986 Sport Coupé
Engine: 305-4v
Transmission: 700R4 and TransGo2
Quietest Hi Performance Muffler?

Hi all,

When I get my headers installed next week, I also will need to install a new muffler. I want a QUIET muffler, not a wake up the neighbours (and the dead) type.

Who makes this mystical beast?

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1986 Camaro Sports Coupe
T-tops, power hatch, rear defrost, third brake light
LG4 305 V8, "Damonized" Q-Jet 4bbl, K&N filter
Crane ignition kit, TH700R4 transmission and Derale cooler
Air conditioning, pw, pl, pb, ps, tilt wheel
Kenwood cassette, Pioneer 6x4 component front speakers
Rockford Fosgate 6x9 Punch rear speakers
Aluminum slots and Goodyear 225x60R15 Eagle HP tires
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Old Jul 27, 2001 | 07:13 AM
  #2  
blak92!'s Avatar
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Joined: Sep 1999
Posts: 175
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From: NortCentral NJ, USA-
Dynomax 3' intermediate pipe with a stock walker muffler.

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Hybrid Black 5.7L 5 Speed
'95 Competition Yellow Corvette Coupe ZF6
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Old Jul 27, 2001 | 11:11 AM
  #3  
five0beatr Z28's Avatar
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Joined: May 2001
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From: Mass
i had a 2.5" Dynomax Super Turbo exhaust and it was VERY quiet, even with a hi flow cat. it was only slightly louder than stock.
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Old Jul 27, 2001 | 01:05 PM
  #4  
Sitting Bull's Avatar
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Joined: Jun 2001
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From: Calgary, Alberta, Republic of Western Canada
Car: 1986 Sport Coupé
Engine: 305-4v
Transmission: 700R4 and TransGo2
Blak92,

But isn't the Walker series just fibreglass packed? That will burn out in no time, won't it?
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Old Jul 27, 2001 | 01:09 PM
  #5  
Sitting Bull's Avatar
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Joined: Jun 2001
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From: Calgary, Alberta, Republic of Western Canada
Car: 1986 Sport Coupé
Engine: 305-4v
Transmission: 700R4 and TransGo2
<font face="Verdana, Arial" size="2">Originally posted by five0beatr Z28:
i had a 2.5" Dynomax Super Turbo exhaust and it was VERY quiet, even with a hi flow cat. it was only slightly louder than stock.</font>
Does this Super Turbo come in the 3 inch size, too? How much was it?

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Old Jul 27, 2001 | 01:27 PM
  #6  
Tas's Avatar
Tas
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they don't have a 3" "cat-back" for us anymore but they have all the parts. I have the "I" pipe numbers in my sig and you can call them for a 3" in, dual 2.5" stock location out muffler and 2.5" tailpipes. If you just ask for a catback it will be 2.5" with 3" flange connection to the cat. That 3" flange connection was what confused everyone and made finind my "I" pipe a biatch

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-Tas
'89 Formula WS-6

305, TBI, auto, 14x3 chrome flat based open element with K&N, Milodon 160* thermo, functional Formula hood, cross-flow Flowmaster, '99z28 rear pipes and tips....

To be installed eventually far far far into the future: Yours if the price is right and I don't have to ship :
Hooker 1-5/8" 50 state legal headers, Dynomax 3" I pipe (PN 44063 and 43248), Catco 3" cat, and injector spacer.

Super GRK_Taz World
F-Body Dual Exaust
EFI & Intake Options
AOL IM: superGRtaz
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Old Jul 29, 2001 | 03:55 PM
  #7  
GiddyUP305's Avatar
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Joined: Apr 2001
Posts: 205
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From: Somewhere in Nebraska
Engine: turbocharged 4 cyl Dohc
Transmission: 5 spd sentronic
if you want mild to quiet, i would suggest getting the Vortex cherrybomb. it's extremely quiet on my bird and has a really mild rumble tone for sound---

go to the link below

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91' ASC conversion
Firebird drop-top
305 cid V8
700-R4 O/D trans
K&N 14" open air cleaner
Hp motorsports STB
P S T coil springs-(Ground Zero)
Vortec crossflow muffler with Z-28 tips
16" RS wheel--245/50 A540 Yokomama
Alpine cd/JL audio sub combo w/12 cd changer
headers coming soon!

CLICK HERE for pictures!!!

[This message has been edited by GiddyUP305 (edited July 29, 2001).]
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Old Jul 29, 2001 | 08:57 PM
  #8  
soulbounder's Avatar
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Joined: Jul 2000
Posts: 1,787
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From: Tomball, TX
Car: 89 TTA
Engine: Turbo 3.8
Transmission: 200R4
Why does everyone say that Dynomax is quiet? Is that the concensus? The only thing not stock to my exhaust on my 305 TBI is a Dynomax Super Turbo muffler and it's not all that quiet. I can hear it pretty well inside the car. Did I just get a louder than normal muffler?
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