Annoying Squaking

[rolltideroll989]

Hey guys, i just put on a 5" MBRP exhaust kit with no cat no muff, and ever since i have put it on i have had the most annoying squeaking noise when i get to high RPM's. It almost sounds like a belt squaking, even though thats not what it is. It is coming from what sounds like the rear glass or something in that area. If any of you have had these problems please let me know what it is, and what i could do to fix it. Thanks in advance

[redstroker_2002]

huh i had a heat sheild cracked before and it would sound like $hit cuz it would squeeck at idle. took the heat sheield off and no prob since

[rolltideroll989]

anybody else have any ideas about this???

[07stroker]

Had a y-pipe crack and it would squeak pretty loud under load and high rpm's.