Signswise 38mm Exhaust Muffler for 125 140 150 160cc Dirt Pitbike Lifan Yx Stomp SDG 38mm Exhaust Muffler Clamp For 125 140 150 160cc Dirt Pitbike Lifan YX Stomp SDG Condition: A brand-new, unused, unopened, undamaged item (including handmade items). See the seller's listing Fitment: For Dirt Pit Bike Motorcycle Which Package included: 1Pc Exhaust Muffler With Clamp.