This thread still active? my ice also having this aeroplane sound when i press accelerate pedal..i' ve been to a lot of shops at my place, the prob still not solved, i've changed new rca cable, put filters..when i asked the shop again, they ask to change new HU or new amp..i think they just talk cock, just know change things but not solving..btw, my HU is pioneer.. anyone knows any reputable shop around bangi/seremban?