me n my bro just installed the CAI on the car last night. we reseted ECU and idle and blah balh the usual stuff. everything sounded good.

but this morning, when i started the car, the thing that connects to the intake via 2 plastic prongs that holds the pressure line & intake sensor connector was rattling from the inside of it. we didnt have time to really look at it but it doesnt rattle when stepping on the gas or revving it. it rattles at idle. i'm sure its not the plastic knocking against the intake but its inside that little area. any help on this would be greatly appreciated.

PS, we're sure we didnt drop anything inside the engine or TB.

 

Normal.....you can use a piece of rubber to deaden it a little. It is a vacuum regulator

 

Which CAI did you install? Injen or K&N?

 

Injen

 

yea mine does the same, its a regulator it does it louder than your regular intake because its forced induction, which means its working harder to do its job, leave it alone or destroy it to figure out how to fix it and let us know of a fix but im not worried about it...