Yoshimura full system Tri-Oval for Suzuki GSX1300R HAYABUSA is titanium made, and it saves 14kg of weight from original one.
There are also slip-ons with various design in their lineup.
[Webike Japan Product Page]
Tri-Oval Titanium Cyclone 2 End
Original Source[ YOSHIMURA JAPAN FACEBOOK ]
See Suzuki Moto Index Page
See Accessories for SUZUKI GSX1300R HAYABUSA