that would be why i said stock exhaust plus slip ons, they dont make full exhaust i made a set of mjs stainless steel r6 headers work with a little mod, cans have 5k miles on em header has 8k,, thinking 650 bo for comlplete stock exhaust plus 2 slipons, pictures will be added tuesday , im in erie and only have one can with me, its on bike gp style, but i will be in buffalo ny tues they are in buddys garage