???
07-27-2006, 04:55 PM
#2
5th Gear Member
Join Date: Jul 2005
Location: Georgia
Posts: 2,387
RE: ???
PI stands for Power Improved or Performance Improved, depending on who you ask. Either way, it refers to the head and intake on '99+ models.
The plenum is on top of the intake and has the running horse logo on it. The throttle body is attached to it.
The plenum is on top of the intake and has the running horse logo on it. The throttle body is attached to it.