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2 mufflers on an 82?

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Old Jan 22, 2006 | 01:20 PM
  #1  
luvofjah's Avatar
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From: PNW
Car: 91 Black Formula KR
Engine: 305 TPI R69/G92
Transmission: Astro A5-Pro 5.0-McCleod
Axle/Gears: US Gear 3.42 Eaton True Trac
2 mufflers on an 82?

I saw this pic & another pic, it does stem from 1 pipe comming from the front, I think it breaks off into 2 by the mufflers...

This is frm an 82....Is this a custom job, never seen this setup before (not that I want it)

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Old Jan 22, 2006 | 01:21 PM
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Apeiron's Avatar
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From: Mercedes Norte, Heredia, Costa Rica
Car: 1984 Z28 Hardtop
Engine: 383 Carb
Transmission: 4L60
Axle/Gears: 3.54 Dana 44
That's factory.
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Old Jan 22, 2006 | 01:57 PM
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luvofjah's Avatar
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From: PNW
Car: 91 Black Formula KR
Engine: 305 TPI R69/G92
Transmission: Astro A5-Pro 5.0-McCleod
Axle/Gears: US Gear 3.42 Eaton True Trac
I guess some prototype stuff made it into production...
Just seems so much clutter instead of the 1 in 2 out that was used later in 83 or late 82 I guess...

Raf
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Old Jan 23, 2006 | 03:54 AM
  #4  
1991 RS/SS's Avatar
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From: Midwest
Car: 1991 Camaro RS
Engine: 383 LT1
Transmission: T56
Axle/Gears: 4.10
I have a little diecast model of an 82 Z28 and that is how the exhaust is on it. I have never seen an actual car with it like that until now though. I am pretty glad they didnt stick with that.
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Old Jan 23, 2006 | 01:33 PM
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EvilCartman's Avatar
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From: Northern CA.
Car: '82 Z28
Engine: 350
Transmission: TH400 4,000 stall
Axle/Gears: Currie 9", 4.56 gears
My car had that on it, had a nice quiet rumble at idle but would make a woosh sound when getting on it (or so friends tell me). Changed over to single 3 inch and it was a lot better. Can't believe the car still had the factory exhaust on including the pellet style cat.
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Old Jan 24, 2006 | 07:57 PM
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From: Highwood, IL
Car: 1983 trans am
Engine: Vortec 350 w/ a comp cam
Transmission: B&Mth350 2800holeshot
Axle/Gears: 10bolt 3.23's
it looks like it flows like garbage but gives me an idea for a custom dual setup.


maybe like this---with 2.5"
Attached Thumbnails 2 mufflers on an 82?-experiment.jpg  
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Old Jan 25, 2006 | 12:25 AM
  #7  
ME Leigh's Avatar
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From: Valley of the Sun
Car: 82 Z28
Engine: Al LT1 headed LG4 305
Transmission: TH350
Axle/Gears: 3.73 posi with spacer
My car had that exhaust on it. It was pretty quiet at idle but when you got on it it sounded awesome. It still wasn't loud but it was the best sounding exhaust i have ever heard. The sucker all a sudden roared to life, it was freakin great. I eventually cut out the mufflers and put in some flex pipe. And replaced the cat with a cherry bomb glass pack.

My bullet muffler now is just loud as hell all the time.
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Old Jan 25, 2006 | 07:42 PM
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From: Buckley AFB, CO / Crestview, FL
Car: 83 Z-28
Engine: LG4
Transmission: 700R4
Axle/Gears: 02 WS6 Rear w/3:42
My 83Z had that same setup. Ditched it as soon as I could
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Old Jan 25, 2006 | 08:12 PM
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From: Brighton, CO
Car: '72 Chevy Nova
Engine: Solid roller 355
Transmission: TH350
Axle/Gears: 8.5" 10-bolt 3.73 Posi
yes that's a stock style setup. very curious as to why they used that, although like the rest of the stock mufflers im sure it flowed like crap.
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Old Jan 25, 2006 | 10:49 PM
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94-6spd's Avatar
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From: W. Kentucky
Car: 83 Z-28
Engine: 406
Transmission: TH350
Axle/Gears: 3.70
My 83 also had that exhaust. It sounded good, too. I don't think that it flowed well at all but how much flow did a stock 160 hp 305 need?
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Old Jan 27, 2006 | 05:29 PM
  #11  
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From: Central Va.
Car: 82' Z28 IROC Clone (SOLD)
Engine: 355
Transmission: Built TH-350
Axle/Gears: 3.73 Moser 12 bolt
Mine had that with a gutted cat on it when I got it, I replace those little mufflers with pipe and it was still very restrictive and quiet. Now I got my mandrel bent 3 inch setup and headers.
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