Wehrli 20-24 Chevrolet 6.6L Duramax L5P Stage 3 High Flow Intake Bundle Kit - Bengal Blue

Stage 3 upgrade for the 2020-2026 L5P Duramax. Combines a Stage 2 High Flow Bundle and 3.5-inch Down Pipe. Increases air/exhaust flow for improved efficiency, throttle response, and turbo spool-up. Eliminates weak points in factory design that can cause power loss, boost leaks, and failures. Includes: 4-inch aluminum intake pipe, 4-inch intake horn with PCV port and surge ring, air box enclosure with dry filter assembly and Outerwears pre-filter cover, installation hardware, 4-inch silicone hump boot and stainless t-bolt clamps, 3-inch hot side intercooler pipe, 3.5-inch cold side intercooler pipe, CNC machined flange and black anodized billet aluminum adapter with double O-rings, silicone boots, stainless steel T-bolt clamps, O-rings, intercooler outlet clip, and a 3.5-inch DOC Back Down Pipe (ceramic coated, heat wrap pre-installed). Retains factory connection points and sensors. No tuning required, bolt-on. Fits stock trucks without other modifications. Features a durable powder coat finish.