https://lexington.craigslist.org/mpo/d/lexington-akrapovic-carbon-fiber-slip-on/6894474389.html $600 Fits 2011-2018 GSXR 750/600 LIKE NEW, was removed from my 2016 750 when I converted it to track use. Absolutely nothing wrong with it, I just don't have the money for the mid pipe, tuner + tune so I put the stocker back on rather than risk damaging this for no reason. Will be at Putnam this weekend, 6/28-30 and NCM for most of the season.