hello
yes i am pretty sure,i have tried everything i could think of to discover the problem.i am sure thats where its coming from.its very bizzare ,you could discribe the sound as being like brake squeal.!!!!!.i tried diffrent lengths of induction piping aswell but didnt make a diffrence.it seems worse when u let the engine breath easyier,,i.e going from the stock air box to a mugen induction filter.any help?????