Patented body design has rounded ends and flutes to reduce weight with no sacrifice in strength; Patented pig-nose baffles provide superior sound attenuation; Indexed baffles are numbered for ease of reassembly; built-in spacers help reduce carbon buildup between baffles; Stainless Steel baffles enables for easy cleaning and helps prevent gas/ particle erosion; Included assembly/disassembly tool and spud-extension tool for easy baffle-stack removal; Stainless steel back plate increases durability; Single-point cut 1/2-28 threads provide secure attachment