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Ships within 48 hours · Estimated delivery Sep 21 - Sep 26
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Description
Wehrli Custom Fab WCF100194-FTB 4" Intake Kit W/Air Box Texture BlackUpgrade the intake in your GM 6. 6L Duramax today with the Wehrli Custom Fab WCF100194 FTB 4" Intake Kit W Air Box Texture Black from GAP. 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. The design significantly increases airflow to your turbo producing improved horsepower and torque, quicker throttle response,
Upgrade the intake in your GM 6.6L Duramax today with the Wehrli Custom Fab WCF100194-FTB 4" Intake Kit W/Air Box Texture Black from GAP. 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. 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:
- Texture Black 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
4.8 ★★★★★
Based on 28 reviews
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Product Reviews
★★★★★ 4
Comfortable, a bit tall
Color: Dark Blue, Size: X-Large
Great shirt, very comfortable. It's a little tall/long, so 4 not 5 star. I'm going to shop around for different brands, but this will be my fallback because it mostly works for me.
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Reviewed in the United States on April 13, 2026
★★★★★ 5
Good quality
Color: All Black, Size: XX-Large
Bought for my husband fits great. Soft and stretchy. Good quality and good thickness to stay cool.
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Reviewed in the United States on May 6, 2026
★★★★★ 5
Soft material
Color: 1-navy Blue, Size: X-Large
Hood fit and comfortable
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Reviewed in the United States on May 28, 2026
★★★★★ 5
Nice T-Shirt
Color: Army Green, Size: Medium
My husband likes the shirt. Wears it and the others like it all the time. It's very soft, didn't shrink in the W/D and is true to size (Large fit 6'2" 190 lbs). Only complaint I have is the binding on the neck. It wasn't cut properly before being attached and is not smooth. This tells me this is a second.
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Reviewed in the United States on May 29, 2026
★★★★★ 5
Wedding perfection
Color: White, Size: Small
Excellent purchase My wife found this shirt for our wedding it was exactly what I wanted its longer then other dress shirts which I like I got a size small I'm 5'9 athletic body it fit perfectly.
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Reviewed in the United States on February 3, 2021