WEHRLI WCF10091 2004.5-2005 LLY DURAMAX 4" INTAKE KIT WITH AIR BOX

WCFab 4" Intake Kit with Air Box for 2004.5-2005 LLY 6.6L Duramax equipped Chevrolet Silverado or GMC Sierra 2500 / 3500 HD truck.

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 element allows 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.

Replaces the following GM part numbers: 19201277, 25345138, 21993711, 15076901

- 4" Intake Pipe
- 14g Aluminum Construction
- Air Box & Lid Constructed of 10G Aluminum Sheet
- Dry Air Filter
- Outerwear's Pre-Filter Cover
- Includes Installation Hardware
- Silicone Boot & Stainless Steel T-Bolt Clamps
- O-Ring Seal
- Custom Powder Coat Finish
- Installs Easily with Basic Hand tools
- No Tuning Required, Bolt On!
- Made in USA

The WEHRLI WCF10091 2004.5-2005 LLY DURAMAX 4" Intake Kit with Air Box by WCFab is the ultimate upgrade for your 2004.5-2005 LLY 6.6L Duramax-equipped Chevrolet Silverado or GMC Sierra 2500/3500 HD truck. Made in the USA, this intake kit is meticulously designed to enhance your diesel engine's performance and efficiency.

Crafted from high-grade, durable aluminum, the intake pipe and air box enclosure replace the factory plastic components to deliver improved airflow to your turbo. This results in enhanced horsepower, increased torque, and quicker throttle response for a more dynamic driving experience. Additionally, the intake system draws cold air through the inner fender, leading to lower intake temperatures and optimal engine performance.

The kit features a removable air box lid for easy inspection and maintenance of the dry filter included. With the hydrophobic pre-filter cover, your MAF sensor, turbo, and engine airways are safeguarded from contaminants. The installation is hassle-free with the provided high-quality hardware, silicone boot, seals, and stainless steel t-bolt clamps ensuring a secure fit.

For a personalized touch, choose from a range of signature custom powder coat colors to match your truck’s aesthetic. Whether you opt for a standard single coat color or upgrade to a two-coat color option (additional fees apply), your WEHRLI WCF10091 4" Intake Kit with Air Box will not only perform exceptionally but also stand out in style on the road. No tuning is required - simply bolt on this premium intake kit and elevate your vehicle's performance to a whole new level with WCFab.