FKF 2017-2019 L5P Duramax 4" Intake Features- Mandrel bent 4" Aluminum tubing TIG welded for strength and aesthetics High quality T bolt clamps and Boots CNC Router Cut and CNC bent airbox Stainless Steel Hardware Includes- 4" Intake Tube Aluminum Airbox + lid 4" Dry Filter 4" boot 2x 4" T bolt clamps 4"-5" thick rubber reducer Intake to hood rubber weather stripping Stainless Steel FelderKustomFab script 4x Stainless Button head airbox lid hardware 2x Stainless Button head MAF bung hardware + Nylon washers Install Instructions Our intake utilizes one of the biggest filters offered in an L5P intake with an 11" dry filter. We also utilize a 5"-4" adapter boot where the intake meets the airbox. This creates rigidity as well as a cushion to keep your powder coating from wearing at the airbox seam If custom powder coat colour is desired- Select “Custom Colour” and state colour in the cart notes Colour Link- https://www.prismaticpowders.com/canada Please allow a 7-14 business day build/coat time