− Decrease quantity for Exhaust Flange, 3-bolt, 2.5 in. Pipe Diameter, 3.420 in. Bolt Pattern, Stainless Steel, Natural, Each Quantity + Increase quantity for Exhaust Flange, 3-bolt, 2.5 in. Pipe Diameter, 3.420 in. Bolt Pattern, Stainless Steel, Natural, Each Add to cart