3 Year Warranty, Support Replace, Return and Refund Service.
Dimensions: Inside Diameter of Manifold Intake: 36 mm / 1.40 inch External Diameter of Air Intake: 50 mm / 2 inch Mounting Bolt Hole Spacing (center hole to center hole): 60mm (2.36 inch) Intake Diameter inner Diameter: 36mm (1.42 inch) Air Filter Mount inner Diameter: 46mm (1.81 inch) Air Filter Mount Outer Diameter: 50mm (1.97 inch)