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USA
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- USA
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Ships within 48 hours · Estimated delivery Aug 18 - Aug 23
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For Your Every Summer RSVP, with Code: SUMMER15
Description
Wehrli Custom Fab WCF100193-GRY 4" Intake Kit W/Air Box - WCFab GreyOrder the Wehrli Custom Fab WCF100193 GRY 4" Intake Kit W Air Box WCFab Grey from GAP to your GM 6. 6L Duramax today. 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
Order the Wehrli Custom Fab WCF100193-GRY 4" Intake Kit W/Air Box - WCFab Grey from GAP to your GM 6.6L Duramax today. 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:
- WCFab Grey 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
- Custom Powder Coat Finish
- 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
4.6 ★★★★★
Based on 14 reviews
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Product Reviews
★★★★★ 3
Decent fit, comfortable, but washed out black color
Color: Black, Size: Large, Color: Black, Size: Large
This shirt fits well and sits comfortably through the shoulders and chest. The stretch in the material helps it move easily, and the cut works fine for casual or office use. The overall feel is straightforward and easy to wear.
The black color is more like a washed or faded black rather than the rich black I was expecting. It doesn’t have that deep tone that stands out, and the material itself doesn’t give off a premium impression. It still works fine for regular wear and doesn’t cause any issues while moving around.
Even with the lighter black tone and the average material, the fit and comfort make it a decent shirt for everyday use or simple business‑casual outfits.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 20, 2026
★★★★★ 5
Mens Muscle Fit Short Sleeve Button Down Dress Shirt
Color: Light Blue, Size: Small
This shirt feels light and comfortable, with a soft stretch that makes it easy to move in. The muscle‑fit cut highlights the chest and shoulders without feeling tight, giving it a clean, modern look.
The fabric stays breathable on warm days, and the short‑sleeve button‑down style works well for office wear or casual outings. It pairs easily with jeans or dress pants.
Pros:
- Soft, stretchy fabric for comfort
- Athletic muscle‑fit silhouette
- Breathable for summer wear
- Versatile business‑casual style
- Works well for office, travel, or weekends
Cons:
- Fabric is thin, so an undershirt may be needed
- Fit runs snug across the chest for some
Summary:
A lightweight, stretchy summer shirt that gives a clean, fitted look for work or casual days.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 25, 2026
★★★★★ 5
Es ok
Shirt a little too see through but just what I wanted feels nice and cool in the sun
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Reviewed in the United States on May 10, 2026
★★★★★ 5
Great
Size: Large, Color: Navy
Great
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Reviewed in the United States on May 19, 2026
★★★★★ 5
Amazing clothing
Size: Medium, Color: Wine Red
These shirts are really good and very durable. I would suggest anyone that are looking for good quality clothing to go with this line.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 26, 2026
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