Need to upgrade from the 2 1/2 inch piping to 3 inch. My pipes are mint, I expect same in return. Love the sounds of stingers, hate to get rid of them but gotta do what ya gotta do. They are fully polished looks great. Only mark is when you strap the car down in trailer or on dyno the straps hit the exhaust but you cannot see this unless you get under the car. PM me with pics if you have what I need.