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| Z06Fever! Well, why not? Having one of these toys is definitely an illness for which there is no cure, so let's talk about this specific malady. |
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01-28-2007, 08:27 AM
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#1
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droog
Join Date: Jan 2007
Location: tampa
Posts: 465
Name :
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exhaust question
yesterday i pulled up behind a c6z. had quad exhaust tips, but the inner 2 tips had flaps, like on the throttle body. the only thing i could think of is he was running a turbo setup and he could open and close the flaps to change the exhaust velocity, increasing the boost. ive never heard/seen anything like that so. what was it?
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01-28-2007, 08:39 AM
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#2
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Member
Join Date: Apr 2006
Location: New Port Richey
Posts: 404
Name :
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Morn'in  , Yeah, the C6's all have those for what reason I don't know. I have read that owner's pull a fuse or flip a switch to inactivate them. Gives them better exhaust sound. One of the C6'ers will chime in with a better explanation in a while I'm sure .........Tom 
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01-28-2007, 11:07 AM
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#3
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Senior Member
Join Date: May 2006
Location: Ft Walton Beach, Fl.
Posts: 1,405
Name : Mark Dalton
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The C-6 Z's have flaps that open automatically under WOT to produce a better exhaust sound. Not sure about actual hp gains, although freeing up the exhaust can't hurt.
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01-29-2007, 05:22 PM
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#4
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Orange Park, Fl.
Join Date: Nov 2006
Posts: 48
Name :
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A lot of C6Z owners have inatalled exhaust switches so we can open and close the exhaust butterflies whenever we want. 
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01-29-2007, 06:41 PM
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#5
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Senior Member
Join Date: May 2006
Location: Ft Walton Beach, Fl.
Posts: 1,405
Name : Mark Dalton
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Quote:
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Originally Posted by ZEEEE06
A lot of C6Z owners have inatalled exhaust switches so we can open and close the exhaust butterflies whenever we want. |
Your response begs the question...if they're butterflies now, did they used to be caterpillars? 
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01-29-2007, 09:46 PM
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#6
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droog
Join Date: Jan 2007
Location: tampa
Posts: 465
Name :
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seems to be a whole lot of stuff, for what? why bother w/ all of it. just leaving it open has worked for as long as i can remember, and probably longer then that.
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01-31-2007, 10:48 PM
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#7
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Member
Join Date: Jun 2006
Posts: 355
Name :
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Quote:
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Originally Posted by ClockworkC5
seems to be a whole lot of stuff, for what? why bother w/ all of it. just leaving it open has worked for as long as i can remember, and probably longer then that.
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The reason behind the flaps is that you can drive around town with no drone and listen to the radio , untill you step on it, then it gets loud. I know they now make a switch to operate the flaps from inside the car as someone else said. Ever Z06 I have seen so far has pulled the fuse to keep the flaps open.
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02-14-2007, 03:49 PM
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#8
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Member
Join Date: Jun 2006
Location: Clearwater,FL
Posts: 69
Name : Thomas Feuerherm
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Also leaving them open at hwy speeds in 6th gear gives a real droning sound that gets old.
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02-14-2007, 08:50 PM
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#9
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droog
Join Date: Jan 2007
Location: tampa
Posts: 465
Name :
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that makes the most sense.
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02-22-2007, 11:11 PM
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#10
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Member
Join Date: Oct 2006
Location: Gibsonton, Fl
Posts: 13
Name :
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Flaps open at 3500 rpm in normal driving mode. Switch to comp mode and they open at 3000. If you set them up to be open all the time there is terrible droan in cabin at highway speeds. In my opinion its a great set up 
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