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. - - Increases air flow to turbo producing 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. - - -Installs easily with basic hand tools. - - -NO Tuning required, bolt on! - - -Will fit on stock truck no other modifications or upgrades necessary! - - Replaces the following GM Part Numbers: 84841229, 84841225, 84262962, 85614333, 84554702. FAILURE TO DISABLE AIR FILTER MONITOR SYSTEM WILL RESULT IN A SERVICE AIR FILTER MESSAGE AND REQUIRE DEALERSHIP TO RESET THE SYSTEM. THE AIR FILTER LIFE WILL SHOW DISABLED MESSAGE WHEN SETTINGS ARE CORRECT.. Compatible with stock trucks. No other modifications or upgrades necessary!. Wehrli Custom Fab Intake Kit, 4in., for 2020-2025 Duramax L5P, Gloss Black. Wehrli 20-24 Chevrolet 6.6L L5P Duramax 4in Intake Kit - Gloss Black. Intake Kit, 4in., for 2020-2025 Duramax L5P, Gloss Black. Seal for Connection to Functional Ram Air Port on Hood. Air Box & Lid Constructed of 10G Aluminum Sheet. Intake Kit 2020-2025 Dmax Gloss Black. Durable Custom Powder Coat Finish. Stainless Steel T-Bolt Clamps. Outerwear's Pre-Filter Cover. No Tuning Required, Bolt On!. High Quality Silicone Boot. Intake Kit 20-25 GB. 4" Intake Pipe. Dry Air Filter. Air Intake Kit

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