Just did this little mod on my 2011 PP, sounds great and very noticeable by other drivers, especially other drivers with turbos that have a BOV that VTA. I used the rubber chair ends from Lowes, only 2 bucks and 5 mins to install. This was way cheaper then spending the 200+ bucks for a BOV that I spent on my O6 Subaru STi.
THanks,
Z