Have a few videos of the exhaust at startup. Don't know if it does it while I drive. Running 5W/40 Penrite Oil. Previously used 15W/40 until the last two changes.

http://youtu.be/3giKLCff4TY

http://youtu.be/hJ0_P-6Uwol

I am thinking it is prob seals or something like that. Any suggestions?