Originally Posted by bobblehead
So, there is still drone 1500 - 2500 rpm range but the level is not deep enough to have a headache ?
Like to hear your mid term report on the exhaust once they are fully 'burnt in'.
There's droan.... ONLY when accelerate or when climbing a hill. But when you maintain your speed, on the freeway for example... there's zero droan. But... no headache. I'll be sure to give a mid-term report.