Seems they are almost ready to release a slip on for both models of the GSX-S. The part number is S-S10SO10-HASZ and no pictures are available. The release date is mid November and price is around $800 US.
The part number is almost identical to the BMW S1000R slip on exhaust. I think the price is pretty steep for a slip on, but my wife does say I'm cheap.
The part number is almost identical to the BMW S1000R slip on exhaust. I think the price is pretty steep for a slip on, but my wife does say I'm cheap.