WCFab's 4" High flow, fabricated aluminum intake pipe and air box enclosure with dry filter assembly replaces the restrictive plastic factory parts on the 2020-2025 L5P 6.6L Duramax equipped Chevrolet Silverado and GMC Sierra 2500 / 3500 HD trucks for improved engine performance.
Increase airflow to the turbocharger for improved horsepower and torque, quicker throttle response, and cooler intake temperatures by drawing cold air through the hood Ram Air duct and inner fender. All aluminum construction features large diameter 4" piping with smooth aerodynamic bends to improve intake air velocity, volume, and provide more aggressive engine and turbo sound during acceleration. Full assembly finished in your choice of WCFab's signature custom powder coat colors for a look as unique as your truck.
Optional Upgrade:
Add Wehrli's matching 3.5" intake horn to eliminate even more restriction for better airflow to the turbocharger.
Features & Benefits:
- Increased Airflow
- Simple Bolt On Installation
- No Tuning Or Modifications Required
- Stainless Clamps & Silicone Couplers Included
- Built In The USA
- Fits The 2020-2025 Sierra & Silverado 2500/3500 Duramax