Just wondering how many of you have retained or removed your HICAS and why.
I've been reading and hearing good and bad stories about the HICAS and wondering if it is an item that should be kept on the car, or...
i heard people saying that waja original CAI is supposed to be damn good by itself already.....i still dont know how the mechanism works also....so i just changed to k&n drop in filter...so i was thinking of doing...