2020–2025 L5P WCFab 4" Stage 2 Intake Kit with Air Box
Step up your L5P’s airflow with the WCFab 4" Stage 2 Intake Kit — built for trucks that demand more than what the factory setup can deliver. This system replaces the restrictive stock intake with a full 4-inch high-flow design, giving your Duramax the air it needs to perform at a higher level.
Designed for both performance and protection, the included air box helps shield incoming air from engine bay heat while still allowing maximum airflow. Paired with the large 4" intake tube, this setup reduces restriction, improves turbo efficiency, and delivers quicker throttle response with more consistent power.
Whether you’re running stock, tuned, or pushing higher power levels, this intake is built to support your setup without compromise.
Key Benefits:
• Full 4" high-flow intake system for maximum airflow
• Increased throttle response and performance potential
• Air box helps reduce heat soak and maintain cooler intake temps
• Supports stock and high-performance/tuned applications
• Premium construction with excellent fit and finish
• Direct bolt-on installation
If you’re looking for an intake that actually moves air and supports real performance gains, the WCFab Stage 2 is a serious upgrade for your 2020–2025 L5P.