so i have a big turbo now with no compressor nipple. was going to get a tap and die set of a friend adn pop a nipple before throttlebody. as i read if its after throttle body to ext w'g it may rip the diaphragm when off boost due to vacuum? anyway tial sport site to me says do it off the mani. any others running ebc this way? cheers http://www.tialmedia.com/documents/w3_tial_wginstall.pdf