YouTube - Straight Pipes on an RC 51
to say it's loud is an understatement. to say it's obnoxious is putting it mildly.
it won't harm a thing mechanically.
I rode mine straight home from the stealership and proceeded to remove the passenger pegs and install the banzais the rear seat has never even been clipped on, ever. nor will it ever be. now that I think about it, there has never been any foreign ass on my seat at all. I'll save to two up for the vfr.