We think the stock filter is too large for the housing. It doesn't allow proper flow between the filter and the housing. We removed the filter and put in a HKS supermega flow filter. We also removed the tubing leading to the fender.Vita said:maybe my friggen filter is too damn big
UncleSmitty said:1. Stock filter
2. No lights whatsoever. Runs just fine.
I still plan to get a true wai/cai when one becomes available. And yes, it does make the supercharger scream. =)