WCFab's 4" Intake Resonator Pipe for the Factory (VGT) Turbo on 2020-2025 L5P 6.6L Duramax equipped Chevrolet Silverado or GMC Sierra 2500 / 3500 HD trucks dresses up your engine bay and removes the ugly stock plastic turbo resonator box. Reduces air restriction allowing more air flow to turbo. Removes silencers for more aggressive turbo and engine sound. Retains OEM air filter panel and filter box for ease of maintenance / serviceability. No tuning required, bolt on! Will fit on stock trucks with no other modifications necessary. Installs easily with basic hand tools. Replaces the following GM Part Numbers: 84841229, 84841225, 84262962.. Cleans up engine bay appearance by replacing plastic intake duct and eliminating stock plastic resonator box / plastic engine cover with a single piece 4" mandrel bent aluminum pipe.. Will only fit with the OEM air filter box, NOT COMPATIBLE with the S&B, Banks, AFE, or other aftermarket air intakes. Wehrli 2020-2024 Chevrolet 6.6L L5P Duramax 4in Intake Pipe (Use w/OEM Air Box) - Chevy Orange. Wehrli Custom Fab Intake Resonator Pipe, 4in., 20-25 Duramax L5P OEM Air Box, Chevy Orange. Intake Resonator Pipe, 4in., 20-25 Duramax L5P OEM Air Box, Chevy Orange. Will fit on stock truck no other modifications or upgrades necessary!. Int Resonator Pipe 20-25 Dmax Chevy Oran. Durable Custom Powder Coat Finish. Silicone Hump and Straight Boots. Stainless Steel T-Bolt Clamps. NO Tuning required, bolt on!. Int Pipe 20-25 CRO. 4" Intake Pipe. Air Intake Kit. Made in USA

CA Residents: WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov