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C6Z Manifolds on C5Z?

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Old 07-24-2006, 10:09 AM
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Default C6Z Manifolds on C5Z?

I can't seem to find any information regarding whether or not the C6Z exhaust manifolds/cats/H-Pipe will fit on a C5Z. I already KNOW they wont make as much power as longtubes but I don't want to have to deal with hearing the valvetrain after installing headers and I'm sure they would make more power than my current 01' manifolds and 4 cats.
Old 07-24-2006, 12:05 PM
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gutted cats FTW
Old 07-24-2006, 01:59 PM
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You could swap to the 02 exhaust which has 2 cats. I suspect the C6 exhaust will fit, but I don't know how much better it flows over the C5Z06 exahust. The issue is going to be where you are going to adapt it to your stock system.
Old 07-24-2006, 02:49 PM
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I read in Vette mag that the C6 z06 uses "D" shaped exhaust ports so I wouldn't think it would work....
Old 07-24-2006, 03:23 PM
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Originally Posted by J-Rod
You could swap to the 02 exhaust which has 2 cats. I suspect the C6 exhaust will fit, but I don't know how much better it flows over the C5Z06 exahust. The issue is going to be where you are going to adapt it to your stock system.
I would think my exhust shop could handle that

Originally Posted by molson
I read in Vette mag that the C6 z06 uses "D" shaped exhaust ports so I wouldn't think it would work....
LS6 heads have D-shaped exhaust ports as well.


Really, I would think the only problem area would be where the manifolds and cats join and if there was enough clearance around that area.
Old 07-24-2006, 10:27 PM
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Originally Posted by Bad Habit Bird
I can't seem to find any information regarding whether or not the C6Z exhaust manifolds/cats/H-Pipe will fit on a C5Z. I already KNOW they wont make as much power as longtubes but I don't want to have to deal with hearing the valvetrain after installing headers and I'm sure they would make more power than my current 01' manifolds and 4 cats.
what do you mean "hearing the valvetrain noise". Headers won't effect your valvetrain noise any. I wouldn't waste any time/effort trying to make C6Z stock exhaust fit...not worth it IMO.
Old 07-25-2006, 06:02 AM
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Originally Posted by Ackattack1
what do you mean "hearing the valvetrain noise". Headers won't effect your valvetrain noise any.
They won't affect the valvetrain but since headers have thin walls (compared to cast manifolds) the "noise" the valvtrain does make is more apparent.

Last edited by Bad Habit Bird; 07-25-2006 at 07:43 AM.



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