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Premium Quality Wehrli 100190 4 Inch Cold Air Intake Kit With Air Box | 2001-2004 Gm Silverado/sierra 2500hd/3500hd 6.6l Duramax Lb7 Now 50% Cheaper [q7IOcUAG]

$42.99 $137.99 -69%

Features:4" Intake Pipe14g Aluminum ConstructionAir Box with LidDry Air FilterOuterwear's Pre-Filter CoverIncludes Installation HardwareSilicone Boot & Stainless Steel T-Bolt ClampsO-Ring SealCustom Powder Coat FinishInstalls Easily with Basic Ha

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Premium Quality Wehrli 100190 4 Inch Cold Air Intake Kit With Air Box | 2001-2004 Gm Silverado/sierra 2500hd/3500hd 6.6l Duramax Lb7 Now 50% Cheaper [q7IOcUAG]

Features:
  • 4" Intake Pipe
  • 14g Aluminum Construction
  • Air Box with Lid
  • 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
  • Made in USA
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.

What Our Customers Say

January 20, 2026

Absolutely no complaints!

An outstanding tool. And very well made.

- Braxton T..

January 20, 2026

Absolutely no complaints!

I am very satisfied with this nice item.

- Billy R..

January 20, 2026

Absolutely no complaints!

A very nice, and very functional product.

- Bonnie W..

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