Quote:
Originally Posted by LinPark
Maybe a whistle was the wrong phrase - it sounds more like a high speed turbine. If it were a vacuum leak wouldn't I hear it all times. I suppose I could swap the intakes back to stock temporarily. Not sure I want to start spraying carb cleaner around under my hood just yet. 
I'll see if I can get a video of it so we can narrow it down. |
Something else to consider...
Where exactly is the sound coming from?
The Engine Bay? or Under the Car??
Perhaps theres an exhaust leak somewhere? Blown gasket, bolt not all the way tightened?