Need a Greddy dumptube for my Greddy type C wastegate, also can someone post a pic of there Greddy type C wastegate, i was told that it was a C but it looks diff fromt he Greddy website. ooooohhh yea how do i know what PSI the spring is rated for in the wastegate, I mean are they color coded thanks for the help guys. i want it to be able to handle 16 to 17 psi