alright while i was doing the "wire upgrade" mod today... I noticed something funny when starting the car after i was done w/ it all. I get in my car to start it w/ the driver door open and when the car started running in neutral i heard this hissing sound. It was like either high pressure liquid flowing or air... coming from the mid-rear left side. I thought it was the exhaust and the cone filter but it wasnt. Well, i don't know why i never noticed it, i guess its normal? I drove around and the sound wasn't loud enough to be noticable unless i'm really hearing for it. I'm guessin it has something to do w/ the gasoline tank or something... thanks for any input.

 

That would be your fuel pump your hearing. How much gas was in the car? Sometimes there louder when your low on fuel. Fill up and I bet it's quiet again.