Hey i just came back from the gym i hope in my car and its fine, as soon as i pull up to my house i notice a clicking sound coming somewhere near the air intake i have no idea what it is and its a clicking sound .... no check engine light, if i rev the car the clicking sound gets faster anyone have any ideas??

 

O yea I have a catless helix, up and downpipe and abs short ram and tanabe protype exhaust been on the car for about 2k miles now first time i notice this problem.....