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What kind of exhaust?

Forum: C3 HVAC, Fuel, Emissions, and Exhaust

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What kind of exhaust?

Posted: 11/30/07 12:43pmMessage 1 of 22
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Oklahoma City, OK - USA
Joined: 4/1/2007
Posts: 432
Vette(s): 1972 LS5 Convertible,Auto.Targa Blue with Black Interior.
I am shopping for exhaust systems. Does anyone have any preferances? I have a set of headers on it but that is it. I have toyed with the idea of Hooker Headers and side pipes but the $$$ are kind of steep. What about the chambered exhaust behind headers, or just a factory replacement behind headers, and does anybody know what a stage 2 system is.Confused I need to make a dicision pretty soon, I think my neighbors are getting tired of the noise coming from my garage. By the way its a 454.
Thanks
Lonnie
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What kind of exhaust?

Posted: 11/30/07 12:49pmMessage 2 of 22
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HOWELL, NJ - USA
Joined: 5/18/2004
Posts: 6812
Vette(s): 1979, Targa Blue (72 Color), Pace Car rear spoiler, L88 hood, Dark blue factory interior, 525HP 406, HD 700R4, 370 gears,Steeroids, composite rear spring, TT IIs wrapped in T/A Radials.
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What kind of exhaust?

Posted: 11/30/07 1:57pmMessage 3 of 22
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Burke, VT - USA
Joined: 1/23/2002
Posts: 7605
Vette(s):
SOLD - "The Toy" - '70 Convertible
SOLD - "The Beast" - '90 ZR-1 (#682)
SOLD - "Betty" - '28 Ford Model A Tudor
SOLD - "BLKBRRD" - '78 Pontiac Trans Am
"BLUBYU" - '04 Coupe
On "The Toy" I upgraded to 2 1/2" from the stock 2" a few years ago.  Went with a system from Corvette Central and have been happy with the sound (not too loud, not too quiet - just right).
 
On "BIGBRRD" the stock system was toast so it all got pulled off.  The new system is Heddman 'shorty' headers into 3" Pypes X-pipe into Flowmaster Delta 50s.  That produces some RUMBLE inside the car at 55/60 MPH but is nice and mellow at idle.
 
Lots of choices - HAVE FUN...!!!

Jim Olson 

"The Toys"...!!!  Save the Wave!

Where I've been in a Corvette...!!!

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What kind of exhaust?

Posted: 11/30/07 4:48pmMessage 4 of 22
M
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WALL TOWNSHIP, NJ - USA
Joined: 11/4/2003
Posts: 29
Vette(s): 1969 350 4-speed L46 fathom green Coupe w/AC 134a conversion, Steeroids rack n pinion ENGINE-3970010,K0120CKB TRANS-19S733177,P9R13b INTAKE-3965577 HEADS -3998993 DISTB -1111493
I just had the 2 1/2 chambered installed, and it sounds oh so sweet. I cant believe ive been muffling my baby all these years. You also gain some work room with the mufflers being removed. I had an issue with the 255 60 r15 tires I have, but no more. Just remember to order the 2 1/2 transmission mount bracket.
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What kind of exhaust?

Posted: 11/30/07 5:00pmMessage 5 of 22
r
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North Charleston, SC - USA
Joined: 3/20/2004
Posts: 4208
Vette(s): 1975 L48 AT AC T-top
Like Mr. Mako, I went with the chambered system om my small block. I am very happy with the sound and losing the stock mufflers really opens up the back end.

Scott
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What kind of exhaust?

Posted: 11/30/07 5:38pmMessage 6 of 22
r
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Bladenboro, NC - USA
Joined: 1/22/2006
Posts: 1058
Vette(s): 1972 conv., sunfire yellow, blk interior, blk vinyl and convertible top. Off frame restoration with American Speed 383 stroker engine producing 500hp plus a 200hp NOS system. MSD ignition. Hooker super competition headers with chambered exhaust.
I also went with the chambered exhaust, hooked to Hooker super competition headers. I love the sound and the appearance from the rear of the car.
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What kind of exhaust?

Posted: 11/30/07 6:12pmMessage 7 of 22
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Oklahoma City, OK - USA
Joined: 4/1/2007
Posts: 432
Vette(s): 1972 LS5 Convertible,Auto.Targa Blue with Black Interior.
Does the Chambered System use the same brackets, Mr Mako said something about a transmission bracket? I had a 68 435HP convertable in high school that had chambered side pipes, with them under the car will it sound about the same? That was such a sweet sound.
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What kind of exhaust?

Posted: 11/30/07 6:16pmMessage 8 of 22
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Easton, PA - USA
Joined: 11/6/2003
Posts: 232
Vette(s): 1973 Coupe 350 Auto.T-Tops L48,65450 miles.
 I have chambered on mine. Love the sound. Mellow at cruising speed.
 
    Dave
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What kind of exhaust?

Posted: 11/30/07 6:35pmMessage 9 of 22
r
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Bladenboro, NC - USA
Joined: 1/22/2006
Posts: 1058
Vette(s): 1972 conv., sunfire yellow, blk interior, blk vinyl and convertible top. Off frame restoration with American Speed 383 stroker engine producing 500hp plus a 200hp NOS system. MSD ignition. Hooker super competition headers with chambered exhaust.
[QUOTE=bio11]Does the Chambered System use the same brackets, Mr Mako said something about a transmission bracket? I had a 68 435HP convertable in high school that had chambered side pipes, with them under the car will it sound about the same? That was such a sweet sound.[/QUOTE]

I can't tell you anything about the brackets but having had a couple of factory side pipe cars, I can tell you that the sound is the same at the rear of the car. It's sounds different to the driver because the exhaust isn't right at your left ear.
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What kind of exhaust?

Posted: 12/9/07 8:20amMessage 10 of 22
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WALL TOWNSHIP, NJ - USA
Joined: 11/4/2003
Posts: 29
Vette(s): 1969 350 4-speed L46 fathom green Coupe w/AC 134a conversion, Steeroids rack n pinion ENGINE-3970010,K0120CKB TRANS-19S733177,P9R13b INTAKE-3965577 HEADS -3998993 DISTB -1111493
The transmission bracket on the original exhuast is for a 2 inch diameter pipe, while the chamber pipes are 2 and 1/2. I forgot to have mine changed. every thing bolted up fine, my only concern over time would be wear at the point of contact on the bracket. You probably can grind the original bracket to fit the new pipes better if you didnt want to buy a new one. The only other reused items are the muffler hanger mounts. I still use the stock exhuast manifolds. The kit I ordered from ecklers included new exhuast tips.
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