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vick

03/17/11 4:39 PM

#84933 RE: pitadog #84932

you should really look into exhaust scavenging.
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vick

03/17/11 4:41 PM

#84934 RE: pitadog #84932

you need back pressure. only time back pressure is not good is in turbocharged engines.
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Helter Skelter

03/17/11 7:59 PM

#84937 RE: pitadog #84932

Huh?!? What's that you say, Doghouse?

Actually bankshot, this whole idea of a muffler back pressure being a huge restriction of HP, or a big benefit to mileage, or reducing emissions, has not been proven and doesn't really make a lot of sense.

Surely, you jest. Do you think that Vortex Exhaust Technology has all these dealers selling a product that "has not been proven and doesn't really make a lot of sense"? Take it up with Vortex Exhaust, then, here are all their dealer addresses:



http://www.vortex-performance-exhausts.co.uk/findadealer/

Or, take it up with all those that have tried the product(s) and have written these articles, below, such as the one in Car Mechanics Magazine and Total BMW Magazine. I'm a little surprised at you, your...post...that doesn't really make a lot of sense. Perhaps read through their site a little. And, no, I didn't create their site and I seriously doubt that GRBT did, though, that would have been an extensive undertaking, if done, and...potentially very exciting for shareholders, lol...



http://www.vortex-performance-exhausts.co.uk/news/

Actually, I'm hoping that GRBT's licensee's first application for the EVT {Encapsulated Vortex Technology} is not automobile related. Hoping for something more...unique, obscure...exotic. Unless, of course, the first licensee happened to be Vortex Exhaust Technology, themselves.

GLTY, I'm out for St. Patrick's...