the Official "NA Tuning" thread
http://automotivespeed.com/product_i...products_id=49 there is also a thread around here on them, it makes a Vacuum inside your Crank case which helps the rings seal better which yields more power and less Blow-by
not much power but they still help!
not much power but they still help!
Originally Posted by BlownAP,Nov 29 2006, 04:56 PM
good luck mods?? 
i have an 01' s2k btw.



you got me 
