Shipping Estimate
USA
- USA
- CAN
- USA
- CAN
Ships within 48 hours · Estimated delivery Jul 5 - Jul 10
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For Your Every Summer RSVP, with Code: SUMMER15
Description
Wehrli Custom Fab WCF100191-IP 4" Intake Kit W/Air Box Illusion PurpleReplace the intake in your GM Silverado Sierra 6. 6L Duramax today with the Wehrli Custom Fab WCF100191 IP 4" Intake Kit W Air Box Illusion Purple 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
Replace the intake in your GM Silverado/Sierra 6.6L Duramax today with the Wehrli Custom Fab WCF100191-IP 4" Intake Kit W/Air Box Illusion Purple 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:
- Illusion Purple Powder Coat Finish
- 4" Intake Pipe
- 144g 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
4.5 ★★★★★
Based on 500 reviews
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Product Reviews
★★★★★ 5
Gentle Retinal — No Irritation for Me
Color: Pink (PDRN)
I was honestly nervous to try these because they contain retinal, and the under-eye area can be sensitive. But I had zero irritation. No burning, no redness, no peeling.
They feel cooling and soothing when applied, and the hydrogel texture stays in place without sliding around.
After consistent use, my under-eye area looks smoother and more refreshed. I’ve noticed subtle improvement in fine lines and overall brightness.
If you’re curious about trying retinal in a gentle way, this is a great entry point. Just make sure to use sunscreen during the day, as you would with any vitamin A product.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on February 28, 2026
★★★★★ 4
Hydrates well
Color: Pink (PDRN)
So far the product has been nice. My understanding is that eye area looks hydrated. It does not diminish the under eye bags. Have been using for a few weeks. Maybe I’ll give it more time to see better results.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 1, 2026
★★★★★ 5
Such a pampering treat!
Color: Pink (PDRN)
Ok I love these!!! I’ve started using them almost every morning! They just feel like a little pamper before I start my day. They definitely tighten up my under eye and decrease puffiness. I try to leave them on for 25 min or so. Maybe not quite as good as the Peter Roth but I feel like I can use them frequently due to the reasonable price point and still see some results. I save the Peter Roth for a couple times a month. Definitely repurchasing these.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 7, 2026
★★★★★ 5
Super hydrating!!
Color: Pink (PDRN)
I love theses eye patches so much! Not only are they very hydrating for the under eye but the price point is *chefs kiss*! They stay in place and do not slide all over your face. Super easy to use. 10/10
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Reviewed in the United States on May 31, 2026
★★★★★ 5
Eye patches that work
Color: Pink (PDRN)
Love them! Cooling to the eyes, easy to apply with no slipping. These eyes patches work and they’re great for the price. The only patches I’ll buy going forward. I just apply my eye cream first and then follow with the patches and you can definitely see the results once removing.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 28, 2026
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