The silencer is conically formed for a slim, lightweight design that will not hit the pavement on sharp curves! It was originally a prototype for MotoGP riders, and is made of titanium for a smooth sound and light feel.
With a half system, you can get the most performance out of your bike without needing to re-map, which is usually recommended when purchasing a full system.
DISCLAIMER: To achieve the highest levels of quality, Arrow hand-makes each product to order. As such, these products cannot be returned, and are non-refundable.