Brand new in original packaging. Exactly the same as shown in the picture! Straight exit design muffler that fits mostly any cars. Made of high quality T-304 stainless steel ( Light Weight ). Outlet Tip : 4" Inlet Tip: 2.5" ( Diameter ). Outlet Tip Length : 4" Inlet Tip Length: 2.5". Increase 5-10 Horsepower. Offers a greater flow & higher power gain due to the less restrictive design. Allows greater exhaust velocity for better mid-range boost response & high power. Benefit from greater exhaust flow capacity as engine tuning levels increase. Professional installation is HIGHLY recommended.