Trying to tune my 09 G8 and really dont want to blow it up can someone tell me if I am goin in the right direction and if the KR is real KR or prob from other noises. It did it at 18* and I have dropped to 16 and then 15 and still seeing it. Im running 93octain and 100% meth.
09 G8 maggie 2300, cam, full exhaust, meth, 10lbs of boost