Fluttering noise when accelerating

when i accelerate from a dead stop about 1/4 of the throttle there is a weird fluttering noise. kind of sounds like a bird flapping its wings rapidly but more mechanical. it sounds like its coming from the front right of the car. im hoping its not drivetrain.

anyone have any idea of what this is?

 

do you have an intake?

 

no sir.

 

u joint? bump

 

i have the same problem. and i would like to know what this is. my first guess would be tranny. my third gear tiks so i thought that was it. but it happens when i accelerate in any gear so iguess its not. but it hasent done it for a while so whatever it is i hope its gone!

 

have you messed with the exhaust at all? sounds like an exhaust leak...