There really isn't that much online aftermarket for this Kawasaki Ninja 500r. No way in hell am I gonna spend $500 just for a slip on either. So the next best thing is Early 2000's forums and their...early 2k idea of how to mode a bike.

Drill holes in the muffler...it works...so enjoy the video!

#ninja500r #kawasakininja #ninja500rexhaust