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Air and Fuel Air Cleaners, Filters, Intakes and Components

Wehrli

Wehrli 20-25 Chevrolet 6.6L LP5 Duramax 4in Intake Kit Stage 2 - Bengal Grey

$859.00 $833.23 Save $25.77

SKU: W005 WCF100684-BG

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INSTALL DIFFICULTY
DIY PRO SHOP

Moderate — 2–4 hours

Description

Part #: WCF100684-BG

High flow, fabricated aluminum intake pipe and air box enclosure with dry filter assembly replaces the restrictive plastic factory parts on the 2020-2024 L5P 6.6L Duramax equipped Chevrolet Silverado / 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. The intake horn is over an inch larger than the OEM diameter and improves air flow to turbo by removing restriction found in the factory horn right before the turbo inlet. - - Full assembly finished in your choice of WCFab's signature custom powder coat colors for a look as unique as your truck. - - Replaces the following GM Part Numbers: 84841229, 84841225, 84262962, 85614333, 84554702

Wehrli Custom Fab Intake Kit Stage 2, 4in., for 2020-2024 Duramax L5P, Bengal Gray

MIA's Description

The Wehrli WCF100684-BG 4" Intake Kit with Air Box Stage 2 is designed for 2020-2026 L5P Duramax engines. It replaces restrictive factory plastic components with high-flow fabricated aluminum intake piping and an air box enclosure. This kit includes a dry filter assembly and is engineered to enhance engine performance by increasing airflow, improving horsepower and torque, and providing quicker throttle response and cooler intake temperatures. The system draws cold air through the hood Ram Air duct and inner fender for optimal efficiency. Its large diameter 4" piping features smooth aerodynamic bends, and the intake horn is over an inch larger than the OEM diameter. The kit is finished in Wehrli Fabrication's signature custom powder coat colors and is designed for easy installation with basic hand tools, requiring no tuning and compatible with stock trucks without other modifications.

Fitment

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Specifications

BrandWehrli
Part NumberW005 WCF100684-BG

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Built for enthusiasts. Every order is backed by our 30 day return window on eligible items. Unused and uninstalled products may be returned with approved RMA and no restocking fees when received in new condition. Orders placed through the MOTORMIA app with a complete build qualify for our Fitment Guarantee — free return shipping if the part doesn’t fit your exact setup. The guarantee covers fit only; installation must follow manufacturer instructions, and we recommend a qualified shop for parts marked Difficulty 4–5.

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