Drivetrain New M7 CAI!
Bart... you may be onto something here

YIKES! It looks like I spoke to soon.
Yes, technically this is a velocity stack. BUT - a true velocity stack will induce a venturi effect. This is not an optimal design to allow a true venturi effect to form. http://en.wikipedia.org/wiki/Venturi_effect
Here is a nice adjustable animation that allows you to play around and see how it should work. http://home.earthlink.net/~mmc1919/venturi.html
I was expecting to see a smooth bell shape like what COBB, HKS or even Jim Wolf Technology uses for their intake velocity stacks. This squared off pipe with no bell and only a minor change in diamater is upsetting.
I'm going to go ahead and say that I feel VERY MISLEAD by M7's language, I'm glad that they had the pictures on their website so I do not buy this intake.
Sorry if someone gets offended by my harshness but this is a joke. Don't tell me something has a velocity stack and then show me a pipe with a diamater reduction. No bell = NOT a velocity stack.

https://www.northamericanmotoring.co...m/101_0145.JPG
You mean like this?
https://www.northamericanmotoring.co...m/101_0145.JPG
https://www.northamericanmotoring.co...m/101_0145.JPG

That's a real velocity stack.
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Apr 11, 2017 12:14 AM




