I have no idea what part this is but I was looking under the hood this afternoon and saw that it was broken off from the motor and a bolt that held it in place was missing so please help if you have any info as to what this is

 

Something a little higher resolution? This is about as small as the images on **** sites in the 28.8K era of internet

 

part of the sai

 

Secondary Air Injection check valve.