Hi I'm new to the subaru scene I just bought a 2014 wrx sti last week the car has been running fine full service history and loads of paperwork . Yesterday as I was getting close to my home when the revs got to 3 or 4 thousand revs there's a knocking noise there's no loss of power and the car has been driven in a good manner no ragging it . Has anyone else had this problem and know what it could be , The car has warranty on it and is going back to the dealer that sd it to me to be fixed thanks for the help in advance
