Jeza Officially Full-On Dubber
353 posts · joined Jan 2003 ·
You should try a manometer (the pressure difference meter using tube and water) to see if there is any major pressure drops through your intake system.
Have a look at the Autospeed article
http://www.autospeed.com/cms/article.html?&A=0637
Cheers
Jeremy
[ Edited on 27-6-2006 by Jeza ]