Originally Posted by i<3ford
its not a little whistle its loud and annoying. i have 2 10 in subwoofers( i know that s weak but they came with the car) and i can sometimes hear the whistle over it
hmm mines not like that. go back over everything and make sure none of the clamps are loose and make sure the maf is attached good. is the whistle by any chance with the a/c on? cuse thats the only time mine makes a really loud whistle idk why but it just does.