⚠ No shipping to California due to CARB regulation.
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.
Wehrli Custom Fab Intake Resonator Pipe, 4in., 20-25 Duramax L5P OEM Air Box, Gloss Black
- 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 fit on stock truck no other modifications or upgrades necessary!
- Durable Custom Powder Coat Finish
- Silicone Hump and Straight Boots
- Stainless Steel T-Bolt Clamps
- NO Tuning required, bolt on!
- 4" Intake Pipe
- Made in USA
Vehicle Fitment
| Years |
Make |
Model |
Trim |
| 2020–2024 |
Chevrolet |
Silverado 2500hd |
|
| 2020–2024 |
Chevrolet |
Silverado 3500hd |
|
| 2020–2024 |
GMC |
Sierra 2500hd |
|
| 2020–2024 |
GMC |
Sierra 3500hd |
|
|
| Air Freight Prohibited: false |
| Not Carb Approved: true |
| Carb Acknowledgement Required: true |
| Ltl Freight Required: false |
| Prop 65: Y |
| Part Type: automotive |
| Epa: Compliant |
| Regular Stock: false |
| Units Per Sku: 1 |
