C clrgt New Member Aug 1, 2009 8 0 0 missouri Aug 1, 2009 #1 Aug 1, 2009 #1 hello to all. i want to add more power but am havenig a delima. wanting to add cams & pi intake on my 4.6 npi with the npi heads modularheadshop has some neat stuff but i havent seen or heard any reviews on them HELP.
hello to all. i want to add more power but am havenig a delima. wanting to add cams & pi intake on my 4.6 npi with the npi heads modularheadshop has some neat stuff but i havent seen or heard any reviews on them HELP.