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Ships within 48 hours · Estimated delivery Sep 30 - Oct 5
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Description
Wehrli Custom Fab WCF100702-SGB 4" Intake Kit W/Air Box Semi-Gloss BlkFind the Wehrli Custom Fab WCF100702 SGB 4" Intake Kit W Air Box Semi Gloss Blk at GAP for your GM 6. 6L Duramax today. High flow, fabricated aluminum intake pipe and air box enclosure with dry filter assembly replaces the restrictive plastic factory parts on the 2020 2024 L5P Duramax for improved engine performance. Increases airflow to turbo producing improved horsepower and torque, quicker throttle response, and cooler intake temperatures by
Find the Wehrli Custom Fab WCF100702-SGB 4" Intake Kit W/Air Box Semi-Gloss Blk at GAP for your GM 6.6L Duramax today. High flow, fabricated aluminum intake pipe and air box enclosure with dry filter assembly replaces the restrictive plastic factory parts on the 2020-2024 L5P Duramax for improved engine performance. Increases airflow to 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, volume, and provide more aggressive engine and turbo sound during acceleration.
Features:
- Semi-Gloss Black 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 Functional 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
4.6 ★★★★★
Based on 29 reviews
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Product Reviews
★★★★★ 5
I love the rigidity
It is a simple bag. It is rigid or clamshell. The zipper is smooth. The strapping is simple but perfect for fenders. This bag is purpose driven and is great for the intended purpose.
Highly recommend if it fits.
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Reviewed in the United States on July 24, 2024
★★★★★ 1
Low Quality Bag Not Worth the Price
This fender bag is very low-quality material. It is like a hard cardboard covered in cheap formed thin plasticky material. It is not as described or pictured and definitely NOT worth the money. Returning for REFUND. Disappointed!
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Reviewed in the United States on June 2, 2024
★★★★★ 5
Fit!
Perfect
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Reviewed in the United States on March 20, 2026
★★★★★ 1
Stay away
Do not buy these, they will melt.
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Reviewed in the United States on September 9, 2025
★★★★★ 5
Fit very well
Yes
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Reviewed in the United States on December 18, 2025