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Ships within 48 hours · Estimated delivery Aug 5 - Aug 10
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Description
Wehrli Custom Fab WCF100194-RED 4" Intake Kit W/Air Box - WCFab RedChange the intake in your GM 6. 6L Duramax today and replace it with the Wehrli Custom Fab WCF100194 RED 4" Intake Kit W Air Box WCFab Red from GAP. This high flow, fabricated aluminum intake pipe and air box enclosure with dry filter assembly replaces your diesel's restrictive plastic factory parts for improved engine performance. The design significantly increases airflow to your turbo producing improved horsepower and torque, quicker throttle
Change the intake in your GM 6.6L Duramax today and replace it with the Wehrli Custom Fab WCF100194-RED 4" Intake Kit W/Air Box - WCFab Red from GAP. This high-flow, fabricated aluminum intake pipe and air box enclosure with dry filter assembly replaces your diesel's restrictive plastic factory parts for improved engine performance. The design significantly increases airflow 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. The removable air box lid element allows for easy visual inspection and maintenance of your WCFab filter with an included hydrophobic pre-filter cover, to help keep your MAF sensor, turbo, and engine airways contaminant-free.
Features:
- WCFab Red Powder Coat Finish
- 4" Intake Pipe
- 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
- 14g Aluminum Construction
- Installs Easily with Basic Hand tools.
- No Tuning Required, Bolt On
- Custom Powder Coat Finish
- Made in USA
Shipping Notes
- Free Standard Shipping on $100+ Orders to the USA.
- Except Preorder products are shipped in 48 hours.
- Delivery to the USA:
- Standard Shipping : 3-10 business days
- If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
- To process your return/exchange, please contact us at [email protected]
- Please click here for more details>>> Return & Exchange Policy
4.3 ★★★★★
Based on 20 reviews
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Product Reviews
★★★★★ 3
Not my style
Size: 27, Color: Snake Combo
Okay okay— so the fit good. I don’t like the buttons up the front instead of a zipper. The barrel is VERY barrel— I felt like an old timey cowboy about to get into a duel. Immediately returned for me. But the fabric and pattern were 10/10.
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Reviewed in the United States on September 12, 2025
★★★★★ 4
Quality Jeans
Size: 31, Color: Laser Daisy
They didn't fit. I returned them. They are heavy. Quality material. I might reorder in a bigger size.
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Reviewed in the United States on June 28, 2025
★★★★★ 5
Great quality as always with Free People. Fit is awesome and they are so cute on!
Size: 29, Color: Snake Combo
These are adorable and fit so good! They make your butt look fantastic! Very flattering and stylish.
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Reviewed in the United States on September 30, 2025
★★★★★ 3
Heavy
Size: 32, Color: Laser Daisy
Very cute but very heavy Jean material. Definitely not for spring or summer wear. And too heavy for the suitcase. Such a shame.
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Reviewed in the United States on July 21, 2025
★★★★★ 5
Great High Quality Pants
Size: Large, Color: Black
Love, love, love these pants. Very high quality, comfortable and versital. Definitely a staple .
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Reviewed in the United States on May 17, 2026