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C6 Header question?

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Old May 16, 2011 | 02:59 PM
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yellowzhz's Avatar
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Default C6 Header question?

Does anyone know if a z06 header and 3inch x-pipe or h-pipe system will fit on a ls3 motor a6 with the npp exhaust? I wanted to know if it would bolt up correctly or would modification need to be done.
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Old May 16, 2011 | 04:01 PM
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0Anthony @ LGMotorsports
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Originally Posted by yellowzhz
Does anyone know if a z06 header and 3inch x-pipe or h-pipe system will fit on a ls3 motor a6 with the npp exhaust? I wanted to know if it would bolt up correctly or would modification need to be done.
You can put the entire system on the car, but you will need to do it manifolds to mufflers.

Given you have an automatic, you'll have to 'clearance' the over the axle pipes to clear the tranny. The manual transmission cars are a direct bolt on front to back. You'll also have to use the LS7 exhaust manifold gaskets.

Last edited by Anthony @ LGMotorsports; May 16, 2011 at 04:05 PM.
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Old May 16, 2011 | 05:47 PM
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I'm curious, what kind of hp increase would this yield?
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Old May 16, 2011 | 06:08 PM
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Originally Posted by terryscott621
I'm curious, what kind of hp increase would this yield?
From what I have done on LS2 cars, generally 12-16 hp with a tune.
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