Quote:
Originally Posted by steve99
I would check you actually running the UEL tune as the cam timing are different in the UEL tune so it should not make the raspy noise arround 4000.like the EL header tune or stage 1 tune.
The noise may also be the overpipe or some other exhaust component loose or hitting on subframe or skid plate or plug up the sound tube
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I have wondered about the rattle. Maybe it's time to get the car back up on the lift.