Graves Motorsports KTM Super Duke 05-08 Cat. Eliminator Slip-On Stainless Steel w/Carbon Fiber Silencers.Description: The Graves Motorsports Cat. Eliminator Slip-On exhaust system features mandrel bent Stainless Steel tubing and Carbon Fiber Silencers with tapered conical endcaps.This system eliminates those bulky stock mufflers leaving your Super Duke lean and mean.Exhaust System WeightsGraves Slip-On Exhaust System = 7 bs. 5 oz. (-18.0 lbs)Stock Muffler = 25 lbs.You may also select from standard “satin” finish or all new “BLING” polished end caps (available on the pull down menu).