9mm with 5/16"-24 threads

1 3/4" head pipes stepped to 2 1/8" muffler body for the highest performance

Chrome and black electroplated finished available

Adjustable shoulder straps detach and store in a dedicated sleeve

) tube diameter in a plain and elegant design

lt skull camo tubular mask bandana 3OM 9mm with 5/16"-24 threadsIn addition to a killer face mask, you can also use the piece as a headband, head wrap or neck warmer. Awesome graphics with amazing details make sure you're looking good no matter where or how you wear this piece. Made from a stretchable fabric that allows for easy breathing, you can use it for riding anything. It's a must for any badass wardrobe.