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Ships within 48 hours · Estimated delivery Jul 27 - Aug 1
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Description
Wehrli Custom Fab WCF100344-GW 4" Intake Kit W/Air Box - Gloss WhiteSwap the intake and air box on your GM 6. 6L Duramax today with the Wehrli Custom Fab WCF100344 GW 4" Intake Kit W Air Box Gloss White 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 new design significantly increases air flow to your turbo, producing improved horsepower and torque, quicker throttle
Swap the intake and air box on your GM 6.6L Duramax today with the Wehrli Custom Fab WCF100344-GW 4" Intake Kit W/Air Box - Gloss White 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 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 hood Ram Air duct and inner fender. All aluminum construction features large diameter 4" piping with smooth aerodynamic bends to improve intake air velocity and 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. The critical ram air duct seal has been moved to the bottom of the hood for a clean engine compartment appearance.
Features:
- Gloss White Powder Coat Finish
- 4" Intake Pipe
- Air Box & Lid Constructed Of 10G Aluminum Sheet
- Dry Air Filter
- Outerwear's Pre-Filter Cover
- Hardware
- Seal For Connection To Ram-Air Port On Hood
- High-Quality Silicone Boot
- Stainless Steel T-Bolt Clamps
- Powder Coating
- Installs Easily With Basic Hand Tools.
- No Tuning Required, Bolt-On
- Compatible With Stock Trucks. No Other Modifications Or Upgrades Necessary!
- 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
4.1 ★★★★★
Based on 7 reviews
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Product Reviews
★★★★★ 5
Great quality Soap
Scent: Oatmeal Shea (Unsented)
This natural bar soap is absolutely fantastic! I’ve purchased it multiple times now, and it has never disappointed. The quality is consistent with every bar — it lathers well, cleans thoroughly, and leaves my skin feeling fresh without any dryness.
I really appreciate that it’s made with natural ingredients, and the scent is clean and refreshing without being overpowering. It lasts a good amount of time, making it a great value as well.
Overall, this is a high-quality soap I keep coming back to. The fact that I’ve bought it multiple times says it all — it’s reliable, gentle, and one of the best natural soaps I’ve used. Highly recommended!
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Reviewed in the United States on November 7, 2025
★★★★★ 3
Sometimes Size Does Matter
Scent: Alpine & Spice, Scent: Alpine & Spice
Let me just get this out of the way now the soap itself smells decent, nothing wrong there. I only wish I got another cent. Not that this one smells bad it’s just it wasn’t my cup of tea. I’m mostly disappointed about the size because I’ve been through this before. The soaps themselves are not big enough to fill out the box as you can spot in some of the pictures and video. I honestly feel like the soap size was different in the pictures of the customer reviews that I saw. Each bar may last me a week and a half and that’s with a soap saver. To be honest, the box that it came in would fit two decent size soaps if they filled out the box.
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Reviewed in the United States on November 19, 2025
★★★★★ 5
As expected
Scent: vanilla orange
Love the scents of this soap. It's gentle on my skin and leaves me clean, fresh and soft.
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Reviewed in the United States on May 28, 2026
★★★★★ 5
An excellent value for a luxurious long-lasting daily necessity
Scent: Lavender
Lovely soap with a pleasant fragrance and great lather. Real lavender buds give it an exfoliating quality without any roughness or redness. Product lasts and lasts so this crate is a true bargain. It truly is a 5 star product - I would give it 6 stars or more if possible.
I use it for facial care and am very happy with the luxurious sensation of self-care every time.
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Reviewed in the United States on March 31, 2026
★★★★★ 5
Very good bar soap
Scent: Alpine & Spice
I have been using this bar soap for about two years now. I continue to use it because of the ingredients, the way it’s manufactured, and because of how it feels on my skin in the shower and afterwards. I have only used the “no grit” flavors. The scents are ok, nothing special or exciting. Some of them barely have any scent whatsoever, and some of them have a mild scent. But none of the flavors I have tried have a strong scent, and none of the scents are bad or offensive. The lather is excellent really good lather. My skin always feels clean, hydrated, and healthy after showering with all flavors of this soap. Love this stuff. Crate 61 customer support is excellent.
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Reviewed in the United States on March 17, 2026