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has anybody noticed then when accelerating in somewhat of a fast pace you hear a whislting sound right before the engine goes into another gear, what is this or is my truck not supposed to do this i meen it there is no problem at all but wasnt sure of what this noise was....
the only thing i have done performance wise is put in a k&n air filter if you wanna call that performance mods.... other then that i have done nothing to the truck...
Those CAIs and K&N filters make a whislteing noise when at WOT, this is why some people don't like them, but this a also a reason why people want them(other than the fact that they give better air flow and create more power.
well i cant exactly rember if it did it before i got the K&N becuase i got the air filter about a month after i got the truck i wanna say it didnt thought becuase when i test drove it i dont think it did it, so my guess is it is the air filter...because nothing is wrong like i dont have any problems i just though that maybe everyone else's does this but apparently not. any way thanks for the help appreciate it!