− Decrease quantity for Exhaust Tubing, Mandrel Bend, 4.00 in. Diameter, 90 Degrees, Stainless Steel, 6.00 in. Bend Radius, Each Quantity + Increase quantity for Exhaust Tubing, Mandrel Bend, 4.00 in. Diameter, 90 Degrees, Stainless Steel, 6.00 in. Bend Radius, Each Add to cart