[ermax]

Originally Posted by DaBoBo21

Hey guys. I wanted to revisit this. I've been looking to figure this out for months now and haven't been able to find anything. Since about late October I've been hearing a noise like compressed or escaping air whenever I'm in motion. Also, when shifting above 3.5K RPM you can hear a blow off valve or release of air type noise. Funny, because the car is completely stock and has no turbo. I've checked the intake and even went as far as deleting the sound tube to see if it made a difference, and it did not. No exhaust leaks either..

Bad vacuum line, maybe? Maybe drivetrain related?

Auto?