Great looking muffler has a streamlined design and a beautifully polished chrome finish. Interchangeable with all stacks and elbows. Engineered for low back pressure drop and optimum noise reduction for most engine exhaust systems. 1 year manufacturer's warranty against product defects in workmanship and materials. Muffler contains internal baffles with 78 dba decibal rating. 5"ID inlet (bottom) and 6" ID outlet (top), expanded and slotted ends designed to fit on the outside of plain end pipes. 8"D x 51"L.