like the ad says, pair of 3-2.5" reducers with 02 sensor holes in both used for 3-4 months(natural finish), has no welding or signs of welding on them except for the where the 02 sensor hole is. Also have a pair of the same size reducers with NO 02 sensor hole but these have the shiny/chrome looking finish(new, never used), . I'm looking for $40 shipped for the pair with 02 sensor provisions and $30 shipped for the pair without...pics upon request.