# Wehrli 06-07 Duramax LBZ 4in. Intake Kit w/ Air Box - Gun Metal

WCFab 2006-2007 GM LBZ 6.6L Duramax 4" Intake Kit with Air Box. This high flow, fabricated aluminum intake pipe and air box enclosure with dry filter assembly replaces the restrictive plastic factory parts on your diesel for improved engine performance. All new design significantly increases air flow to your turbo producing improved horsepower and torque, quicker throttle response, and cooler intake temperatures by drawing cold air through the 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. High quality hardware, silicone boot, seals, and stainless steel t-bolt clamps ensure optimum durability and ease of installation. Removable air box lid elementallows for easy visual inspection and maintenance of your WCFab filter with included hydrophobic pre-filter cover, to help keep your MAF sensor, turbo, and engine airways contaminant free. Full assembly finished in your choice of WCFab's signature custom powder coat colors for a look as unique as your truck.

-   Silicone Boot & Stainless Steel T-Bolt Clamps
-   Installs Easily with Basic Hand tools
-   Includes Installation Hardware
-   Outerwear's Pre-Filter Cover
-   No Tuning Required, Bolt On!
-   Custom powder coat finish
-   Air Box with Lid
-   4" Intake Pipe
-   Dry Air Filter
-   Made in USA

This Part Fits:

Year

Make

Model

Submodel

2006

Chevrolet

Silverado 2500 HD

LS

2006

Chevrolet

Silverado 2500 HD

LT

2006

Chevrolet

Silverado 2500 HD

WT

2007

Chevrolet

Silverado 2500 HD Classic

LS

2007

Chevrolet

Silverado 2500 HD Classic

LT

2007

Chevrolet

Silverado 2500 HD Classic

WT

2006

Chevrolet

Silverado 3500

LS

2006

Chevrolet

Silverado 3500

LT

2006

Chevrolet

Silverado 3500

WT

2007

Chevrolet

Silverado 3500 Classic

LS

2007

Chevrolet

Silverado 3500 Classic

LT

2007

Chevrolet

Silverado 3500 Classic

WT

2006

GMC

Sierra 2500 HD

SL

2006

GMC

Sierra 2500 HD

SLE

2006

GMC

Sierra 2500 HD

SLT

2006

GMC

Sierra 2500 HD

WT

2007

GMC

Sierra 2500 HD Classic

SL

2007

GMC

Sierra 2500 HD Classic

SLE

2007

GMC

Sierra 2500 HD Classic

SLT

2007

GMC

Sierra 2500 HD Classic

WT

2006

GMC

Sierra 3500

SL

2006

GMC

Sierra 3500

SLE

2006

GMC

Sierra 3500

SLT

2006

GMC

Sierra 3500

WT

2007

GMC

Sierra 3500 Classic

SL

2007

GMC

Sierra 3500 Classic

SLE

2007

GMC

Sierra 3500 Classic

SLT

2007

GMC

Sierra 3500 Classic

WT

## Details

- **Price:** 774.09 CAD
- **Vendor:** Wehrli
- **Type:** Cold Air Intakes

## Variants

| Variant | Price | Available |
|---------|-------|-----------|
| Default Title | 774.09 CAD | In stock |

## Images

- Photo - Primary
- User 1
- User 2
- User 1
- User 1
- User 3
- Logo Image

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> Source: [Standard Auto Part](https://www.standardautopart.com/products/wehrli-06-07-duramax-lbz-4in-intake-kit-w-air-box-gun-metal)
> Updated: 2026-07-07