Quick view Mixed Brands SB90 40000 Mandrel Mild Steel Exhaust 90° Bends - 4" O.D Compare MSRP: $80.00 Mandrel Mild Steel Exhaust 90° BendsSB90 40000: O.D. 4" (101.6mm)Specifications:Material: Mild SteelThickness: 1.6mmMild steel is ideal for frames and exhaust pipes as it is less brittle and more flexible than high-grade carbon steel. Perfect for... Add to Cart Add to Cart Add to Wish List Add to My Wish List Create New Wish List