Weird Metal Noise
#1
Senior Member
Thread Starter
Weird Metal Noise
I just put 1 in 2 out Magnaflow on my 06 F150 4.6. When I start it up on the mornings with it cold out side it makes a weird metal noise coming form the front end, it does it for a about 10 seconds and then stops. It wont do it after that all day.