Wehrli 100473 Black Anodized Intake Resonator Delete Plug | 2017-2025 Silverado/Sierra 2500HD/3500HD 6.6L

Features:

• Deletes factory intake resonator
• Improves turbo sound
• Cleans up engine bay appearance
• CNC machined from 6061 aluminum
• Black anodized finish
• Quick and easy installation
• No tuning required
• Fits stock trucks with no mods
• Emissions and warranty friendly
• Made in the USA

Clean Up Your Engine Bay with Wehrli

If you’ve ever popped the hood on your L5P Duramax and wondered why there’s a big, clunky plastic box connected to the intake, you’re not alone. That piece is the factory resonator, and while it’s there to quiet down turbo noise, it’s not doing you any favors in terms of performance or looks. The Wehrli Black Anodized Intake Resonator Delete Plug is a simple, clean solution that lets you get rid of that bulky resonator and replace it with a sleek, billet aluminum plug that takes just minutes to install. Once you remove the factory resonator, you immediately notice how much cleaner and more open your engine bay looks. The Wehrli plug slides right into place, sealing off the opening left behind with precision fitment and a smooth, flush look. It’s CNC machined from 6061 aluminum, so it's built to last and hold up to heat, vibration, and pressure—everything you’d expect under the hood of a heavy-duty diesel.

Black Anodized Finish with Hassle-Free Install

The black anodized finish adds a clean, low-profile appearance that blends in with the rest of the engine bay. It’s also laser-engraved with the Wehrli logo, so you get that subtle touch of custom styling without anything flashy or overdone. More importantly, once the resonator is gone, you’ll hear a more pronounced and aggressive turbo whistle, which is a big part of the appeal for diesel owners who like to hear their truck working. Better yet, this mod won’t affect emissions, it doesn’t require any tuning, and it’s completely reversible if you ever want to go back to stock. It’s one of the easiest upgrades you can make, but it delivers a noticeable improvement in both sound and overall engine bay appearance.

Fits: 2017, 2018, 2019, 2020, 2021, 2022, 2023, 2024, 2025 GM 2500HD/3500HD 6.6L Duramax