Hot Rods Crankshaft 4031 Slip-On Muffler - Carbon Fiber change the look every time

change the look every time you ride — or even during the same ride

Resists breakdowns up to 1400°F

The blade has a variable pitch

For 1/4" bolt size

Hot Rods Crankshaft 4031 Slip-On Muffler - Carbon Fiber change the look every timeSold complete with the original proven Hot Rods connecting rods, top end bearings and crankshaft webs Factory assembled and trued to OEM specifications; meet or surpass OEM in performance and durability Complete and ready for installation Completely rebuildable with genuine Hot Rods connecting rods Main bearings and seals sold separately for single cylinder crankshafts Hot Rods has developed six long stroke applications for ATVs Special pistons for