Momentum header people! I have a quick question

Originally Posted by DEpointfive0 What's the inside diameter at the header to cat flange? OEM DE is 2.25" And some guy at Z1 said he THINKS theirs is 2.5" and

		Nissan 370Z Forum > Nissan 370Z General Area > Nissan 370Z General Discussions
Momentum header people! I have a quick question

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08-21-2013, 11:54 AM

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Megan370z

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Quote:

Originally Posted by DEpointfive0

What's the inside diameter at the header to cat flange?

OEM DE is 2.25"

And some guy at Z1 said he THINKS theirs is 2.5" and that they made many improvements to the Momentum design, so I can't take his word

I will be back home tonight and will provide with true number as I still have them on my wall waiting to be modified

On top of my head if I remember correctly, the Inside Diameter at the exit flange was around 2.125'' which should give about 2 1/4'' OD.

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Last edited by Megan370z; 08-21-2013 at 12:07 PM.

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