How Do You Make Those Airbox?

[mr.cookiecutter]

:help: What material do I need to use in order to fabricate an airbox used on Porsche fan setup? Is there a legitimate manufacturer of those airbox? can you guys help me on my query? Me and my friends here are planning to make our own design... does anybody have any idea on these airboxes? Thanks a lot!

[Type IV Super]

There is compony called GWD http://www.gwd-weiser.de/
There site is only in German, but they either make or sell the breather box your looking for. check it out.
Good luck!

[bren]

also at:
http://www.csp-shop.de/cgi-bin/shop2/shop_main.cgi?func=anzeige&wkid=476059718&rub1=Engine&rub2=Air+Cleaner,Air+Box+Systems