DLE-20RA Gas Rear Exhaust with Electronic IgnitionDLE has made the popular DLE 20 better than ever, thanks to updated features that boost overall efficiency and performance! Along with the redesigned muffler and lighter piston, DLE has updated the circuitry and software within the electronic ignition unit for better idle and improved transitions. Best of all, the EI unit is now compatible with 4. 8 8. 4V ignition batteries! Efficient, lightweight design with sealed crankshaft bearings. Two petal reed