2 Bolt 3" 3 Inch Downpipe Exhaust Flange + Gasket (Stretch Bolt Pattern) 2 BOLT EXHAUST / DOWNPIPE FLANGE MADE OF HIGH QUALITY MILD STEEL 3" CIRCLE INNER DIAMETER + 8MM THICKNESS STRETCH BOLT HOLES ( center to center 108mm ) END TO END LENGTH ( 108MM / 5.37")