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#1
10-06-2009, 05:02 PM
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Re: Question about chambered exhaust
Chambered pipes were std on 69 Z28's and Bigblocks until around the 3rd week of November then they became optional and were available as an option around the beginning of the new year, maybe a little before then discontinued in May.
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~JAG~ NCRS#65120 68 GTO HO 4 spd Alpine Blue /Parchment 2 owner car #21783 71 Corvette LT1 45k miles Orig paint - Brandshatch Green - National Top Flight - last known 71 LT1 built. 71 Corvette LT1 42k miles Original paint - Black - black leather - only black LT1 known to exist. NUMEROUS Lemans blue Camaros, Monza Red and Daytona Yellow Corvettes & a Chevelle or two... Survivors, restored cars, & other photos https://picasaweb.google.com/lh/myphotos 
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#2
10-06-2009, 08:09 PM
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Re: Question about chambered exhaust
I don't know dates, but for chevelles they were standard equipment on SS equipped 1969 early cars but when the complaints about noise were voiced, they became available only as an option.
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69 Chevelle SS L88 "Day-2" Lemans Blue 69 Chevelle SS L34 postsedan project-Azure Turquoise
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#3
10-06-2009, 11:16 PM
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Re: Question about chambered exhaust
I have info that COPO B40354X, and B40845X have had chambered exhaust. That would be fairly late in the production run.
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Chevelleless after 46 years......but we did find a low mileage, six speed, silver 2005 Corvette. It will just have to do for now. 
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#4
10-07-2009, 08:15 AM
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Re: Question about chambered exhaust
Thanks Guys...
Rich
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"This is Sheriff Buford T. Justice, I'm in pursuit of a black Trans Am, he is all mine so stay out of the way"
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#5
10-07-2009, 03:43 PM
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Re: Question about chambered exhaust
[ QUOTE ]
I have info that COPO B40354X, and B40845X have had chambered exhaust. That would be fairly late in the production run. [/ QUOTE ] they are both several thousand after my COPO and mine did not get it at the factory 
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1969 9566AA COPO Chevelle M-22 1969 Malibu 489 ZL-1 T-56/4.56 1969 Beaumont 540 th400 3.70 1969 Chevelle 300 Deluxe 427 ZL-1 M 22W 1970 Olds 442 W 30 2 door post 1969 Ply. GTX 426 hemi auto. Blue. 1940 Dodge pick up Durango 4X4 1968 Camaro ragtop LSA ZL1
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#6
10-07-2009, 05:57 PM
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Re: Question about chambered exhaust
Ours was one of the last built and it didn`t get the chambered exhaust either. I`m just as glad as the system was/is known to be restrictive.
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Chevelleless after 46 years......but we did find a low mileage, six speed, silver 2005 Corvette. It will just have to do for now.
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#7
10-07-2009, 06:58 PM
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Re: Question about chambered exhaust
[ QUOTE ]
Ours was one of the last built and it didn`t get the chambered exhaust either. I`m just as glad as the system was/is known to be restrictive. [/ QUOTE ] That could be the understatement of the year...it's not as bad on the Chevelles as on the Camaros/Novas, but it's nothing to write home about, that's for sure.
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#8
10-28-2009, 05:51 AM
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Re: Question about chambered exhaust
[ QUOTE ]
[ QUOTE ] Ours was one of the last built and it didn`t get the chambered exhaust either. I`m just as glad as the system was/is known to be restrictive. [/ QUOTE ] That could be the understatement of the year...it's not as bad on the Chevelles as on the Camaros/Novas, but it's nothing to write home about, that's for sure. [/ QUOTE ] Yeah, I had them on a few mid year Corvettes throughout the years. They are much more restrictive then a standard exhaust. They sound great around town but they KILL your ears at freeway speeds for any length of time and you can't hear the radio. Probably better on a car where they exist the car out back vs. right next to your ear on a Vette.
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