1998 Audi A4 1.8 turbo Mass air flow location

Can any one tell me the location of the Mas location on my 1998 Audi A4 quadtro 1.8 turbo.Got one from the parts store but can't find it in the intake lines.Checked from the air filter to the turbo,this is where they usually are.Any help would be appreciated.

Thanks
Mike

Did you check inside of the Air Box, I did alittle looking around and found this image

http://pictureposter.audiworld.com/57072/maf-10.jpg