Empire Drag pipes built for the serious drag racer. Tig welded 304 stainless steel construction with step pipe design and integrated megaphone. Large exit diameter for pulling the most horsepower out of your motor! Empire In Frame Drag pipes. These use standard head pipes with in frame megaphone mid pipes to pull every bit of power out of your motor. These Drag pipes offer maximum power and they have no baffles or packing and are very loud.