Full titanium exhaust system made by Mitani Japan.
Fits all modeals 4rt, 2005 to present. (not really suitable for 301 as 2.7mm smaller diameter)
Front header is 27.3mm diameter. 
Weight 1470 grams.
Available with either the silver/white or black carbon clip on cover.
 
Or an external carbon fibre cover in black, much more like a standard cover. (pictured on red 300)
 
These systems are now special order at around 2 weeks delivery time.
 
Please check for availability, cost & options 1st!!