I get this slight knocking sound when i accelerate, its not loud but its constant. What could it be??? It reminds me of a muffled Suby Wrx STI exhaust. I just cant pinpoint where its coming from wether its from the Motor or its an exhaust leak.

 

if you can post a video that would prolly help alot

 

you using 91 oct?

 

93 all the time.