ummm weird sound question!!!!!

[katinkid]

ok when my car is at idle, every now and then u can here this like idk "light pound" from under the car.... like metal hitting metal. like every 15sec it will do it once.

i have stillen dual exhaust, anyone know what this sound is? is it normal?i was thinking maybe the cat hitting the frame or something

[evildky]

could be the heatshields getting hot and popping

[Slider4105]

Maybe check and make sure all the bolts are tight on the exhaust?

[katinkid]

yah popping... thats what i thought it was at first like the exhaust slightly backfiring a little... but then its like right below the driver towrds the middle more! i havent gotten a chance to look under the car yet real good so i should def do that!