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- USA
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Ships within 48 hours · Estimated delivery Jul 6 - Jul 11
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Description
Wehrli Custom Fab WCF100192-FTB 4" Intake Kit W/Air Box Texture BlackReplace the intake system on your GM 6. 6L Duramax today with the Wehrli Custom Fab WCF100192 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. This design significantly increases airflow to your turbo producing improved horsepower and torque, quicker throttle
Replace the intake system on your GM 6.6L Duramax today with the Wehrli Custom Fab WCF100192-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. This 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
- 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
- Installs Easily with Basic Hand tools
- No Tuning Required
- 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
4.7 ★★★★★
Based on 2246 reviews
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Product Reviews
★★★★★ 5
Work casual shirt that travels well:
Size: Large, Color: Dusty Blue, Size: Large, Color: Dusty Blue
This shirt runs true to size with a bit of room for more. The material is a bit stretchy which helps keep the shirt looking great without major wrinkles. The shirt itself is comfortable and feels like it'd last through many washes and the care instructions are fairly simple (cold wash and low dryer). This particular color is unusual and compliments many outfits.
Given the quality, this is a high value item. Just go easy with the iron.
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Reviewed in the United States on March 14, 2026
★★★★★ 4
Good shirt for the money
Size: Medium, Color: White
Solid shirt, fits well
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Reviewed in the United States on February 12, 2026
★★★★★ 5
Gorgeous blue color, fits me very well, nicely made and comfortable
Size: Large, Color: Dusty Blue, Size: Large, Color: Dusty Blue
I'm 6'1" 180lbs, sleeve normally 34" and neck 16", and this fits me pretty much perfectly.
The material looks really good, I find this particular shade of blue (pattern) to just look really cool. Slightly darker than a typical men's blue shirt, with a slight bit of sheen.
Its a medium thickness fabric, not flimsy feeling at all. I find this comfortable. Its smooth to the touch although I always would wear an undershirt personally.
Claims to be Italian design? The cut to me seems to be a very standard look, no frills but "sharp" to my eye.
The packaging did a good job of protecting the shirt, though it did show up with some extra creases. But that doesn't really matter since it would have needed an ironing before first wearing it regardless. And I do appreciate that the packaging was not excessively wasteful of plastic etc.
I haven't worn it a zillion times yet so I can't comment on longevity.
Given the price around 22 bucks I'd say this is a good value. Not sure why this color was slightly more expensive (10%) than white or regular blue.
Review for "Alimens & Gentle Mens Oxford Shirts Stretch Long Sleeve Dress Shirt for Men Casual Business Work Solid Button Down Shirts"
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Reviewed in the United States on January 24, 2026
★★★★★ 5
Highly Recommended Dress Shirt
Fit Type: Regular Fit, Color: White, Size: Medium
Honestly, I Love It. Fits Great, Neck Isn't Too Tight Like Most Shirts, And It's Comfortable. It Is 100% Cotton, So Dont Forget To Iron It Before Wearing It. High Quality Dress Shirt. Highly Recommended.
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Reviewed in the United States on October 21, 2025
★★★★★ 5
Surprisingly good shirt for the price
Fit Type: Regular Fit, Color: White, Size: XX-Large
I’m generally pleased with my purchase. I got a 2XL because the website it would fit my neck. Around the waist it fit similar to Amazon Essentials work shirts (like mechanics use which I find comfortable).
It was snug around the waist when sitting, but I can’t complain because I have a belly. I did find the neck snug when buttoning the top button so it means the neck is 18 or 18.5 and I wear a 19/19.5 to have 1-2 fingers space in the collar.
The shirt is surprisingly thick like Amazon’s work shirts, much thicker than other dress shirts from another brand.
And I am pleased that this shirt has button holes like other Amazon shirts does, all vertical button holes except the last one at the bottom which is horizontal. That feature keeps the shirt from unbuttoning itself during daily movement at the office. A very nice feature! I was a little disappointed in how it was packaged however but I have to press and wash it anyway.
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Reviewed in the United States on February 24, 2023
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