does anyone know anything on the low down of this product?

http://spiralmax.com/

 

Yes hear of it...there was another website that showed you how to make them yourself useing sheetmetal and metal cutters...the kid on the site said that it gave his truck alot of extra horse..but i personally think its

 

lol yeah thats pretty much like buying a $2000 car for $80 if u think about it

 

id like to see dyno results. some people swear by them and others say its bull $h!t. id just like to see the number just to prove one way or the other, once and for all

 

Someone should dig up the old thread about this same thing...there were supposable dyno sheets and everything but i still didn't believe it...some even said that it makes you loose HP cause it makes it more restrictive...

 

wouldnt suprise me

 

i heard people even say that they have seen dyno results that show a loss in power with those things