Kawasaki Ninja 300 Forums banner

mgp vs m4

  1. MGP Growler vs M4

    Ninja 300 General Discussion
    Hi all, Looking to buy a slip on for my 300. Intially I wanted growler but then I saw videos on YouTube of M4 and liked that too. Now I am confused which one should I get? I want something loud and deep. I know growler is louder but is it deep?
Top