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moroso spiral mufflers

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Old May 30, 2005 | 04:30 PM
  #1  
camaro86's Avatar
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From: socal
Car: 91 z28
Engine: 350 tpi
Transmission: 700r4
moroso spiral mufflers

what are the flowing numbers for a moroso spiral muffler and i heard that they sound rumbly and deep is this true ?
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Old May 30, 2005 | 06:15 PM
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Car: 1988 IROC-Z
Engine: 427 SBC
Transmission: ProBuilt 700R4
Axle/Gears: Moser 12 Bolt / 3.73 TrueTrac
https://www.thirdgen.org/techbb2/sho...piral+mufflers
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Old Jun 1, 2005 | 07:15 PM
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From: socal
Car: 91 z28
Engine: 350 tpi
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do these mufflers set off alarms?
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Old Jun 1, 2005 | 08:06 PM
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From: Toledo, OH
Car: 1992 Firebird
Engine: forged 357
Transmission: 700r4, 2200-2400 stall, vette servo
Axle/Gears: stock pegleg 2.73 drum (temp)
Originally posted by camaro86
do these mufflers set off alarms?
that's relative to harmonics.
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Old Jun 1, 2005 | 11:45 PM
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Car: 1988 IROC-Z
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Transmission: ProBuilt 700R4
Axle/Gears: Moser 12 Bolt / 3.73 TrueTrac
Originally posted by camaro86
do these mufflers set off alarms?

Yea, it says so on the box
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Old Jun 2, 2005 | 02:33 PM
  #6  
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I had these on my car until I got my mufflex "Y" pipe, and they are very LOUD! Almost like having open headers.
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Old Jun 5, 2005 | 03:28 PM
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3" True Duals with Morso Spiral Flows

http://www.putfile.com/media.php?n=Mikes383-256
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Old Jun 5, 2005 | 03:34 PM
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From: Worcester, MA
Car: 86 T/A
Engine: HSR 355
Transmission: 700R4
Axle/Gears: 2.77 posi
Originally posted by SnkSknrZ28
3" True Duals with Morso Spiral Flows

http://www.putfile.com/media.php?n=Mikes383-256
That sounds surprisingly good. How loud is it in/out of the car? Can you talk to a passenger in the car without yelling?
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Old Jun 5, 2005 | 04:11 PM
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Car: 1988 IROC-Z
Engine: 427 SBC
Transmission: ProBuilt 700R4
Axle/Gears: Moser 12 Bolt / 3.73 TrueTrac
Originally posted by SnkSknrZ28
3" True Duals with Morso Spiral Flows

http://www.putfile.com/media.php?n=Mikes383-256

Sounds awesome Mike! Hope to check out your ride soon!
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Old Jun 5, 2005 | 08:38 PM
  #10  
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From: socal
Car: 91 z28
Engine: 350 tpi
Transmission: 700r4
sounds very good and has anyone heard about sweet thunder mufflers their chambered
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Old Jun 6, 2005 | 10:52 PM
  #11  
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From: Bemidji, MN
Car: 1984 Z28
Engine: 350
Transmission: TCI Streetfighter TH350
Axle/Gears: 4th gen 3.42
i have hedman headers and a hedman y-pipe then it goes directly into the moroso spiral flow muffler and at the end of that there is a turn down and that is my exhaust. it sounds nice, very loud, ive had many people give me compliments on how it sounds. as far as setting off alarms go ive only set off 2 so far
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Old Jun 6, 2005 | 11:08 PM
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thanks guyz, its pretty loud but the motor i have is pretty serious buisness so that adds alot more grunt to the sound clip, i put my windows up and reved it just for kicks and its really nothing more than a nice rumble under the floor I can talk to the passenger just fine no problem, except if i'm wot
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Old Jun 7, 2005 | 01:25 AM
  #13  
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From: Buffalo, NY
Car: 1988 IROC-Z
Engine: 427 SBC
Transmission: ProBuilt 700R4
Axle/Gears: Moser 12 Bolt / 3.73 TrueTrac
Originally posted by SnkSknrZ28
thanks guyz, its pretty loud but the motor i have is pretty serious buisness so that adds alot more grunt to the sound clip, i put my windows up and reved it just for kicks and its really nothing more than a nice rumble under the floor I can talk to the passenger just fine no problem, except if i'm wot

So are you all finished?
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Old Jun 27, 2005 | 08:47 PM
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sorry dude, havnt been online in awhile and forgot about this post.. Yes i am finish, i've been out cruising quite a bit..

Although in reguards to this post, i switched my mufflers from the morosos to 50 series flowmasters, still very loud about sounds far better IMO.. I will try to get a sound clip tomorrow if i remember
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