Thru the Hull 4" Exhaust Tips Stainless with Blue Powder Coating 3 bolt pattern ,with internal flaps and the rubber external flaps in good condition. They just need the silicone cleaned off of them and remounted on your boat! They measure 6" total 4" inside the hull and 2" outside. Asking 145.00 for the Pair OBO + actual shipping charges depending on your location. Located in Lake Havasu Call Wally n928-486-1787