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Description
K&N 2019 Chevy Silverado / GMC Sierra 1500 V8-5.3/6.2L Performance Air Intake KitGain a guaranteed increase in horsepower and torque with a K&N cold air intake system featuring a mandrel bent aluminum intake tube. Each system is paired with a washable, reusable High Flow Air Filter featuring oiled cotton filter media. The oversized, conical filter design allows you to go up to 100,000 miles between filter services under normal highway driving conditions. A custom heat shield or air box helps protect intake air from the high
Gain a guaranteed increase in horsepower and torque with a K&N cold air intake system featuring a mandrel-bent aluminum intake tube. Each system is paired with a washable, reusable High-Flow Air Filter featuring oiled cotton filter media. The oversized, conical filter design allows you to go up to 100,000 miles between filter services under normal highway driving conditions. A custom heat shield or air box helps protect intake air from the high temperature of your engine bay, and the entire system can typically be installed in less than 90 minutes. Some intakes are not legal for sale or use on any pollution controlled motor vehicle in California. See the product specifications for CARB status on each part for a specific vehicle.
User 1Installation Instructions
Installation Instructions
Installation Instructions
This Part Fits:
| Year | Make | Model | Submodel |
|---|---|---|---|
| 2026 | Cadillac | Escalade | Base |
| 2021-2026 | Cadillac | Escalade | Luxury |
| 2026 | Cadillac | Escalade | Platinum Luxury |
| 2026 | Cadillac | Escalade | Platinum Sport |
| 2021-2025 | Cadillac | Escalade | Premium Luxury |
| 2021-2025 | Cadillac | Escalade | Premium Luxury Platinum |
| 2021-2026 | Cadillac | Escalade | Sport |
| 2021-2025 | Cadillac | Escalade | Sport Platinum |
| 2023,2026 | Cadillac | Escalade | V |
| 2026 | Cadillac | Escalade ESV | Base |
| 2021-2026 | Cadillac | Escalade ESV | Luxury |
| 2026 | Cadillac | Escalade ESV | Platinum Luxury |
| 2026 | Cadillac | Escalade ESV | Platinum Sport |
| 2021-2025 | Cadillac | Escalade ESV | Premium Luxury |
| 2021-2025 | Cadillac | Escalade ESV | Premium Luxury Platinum |
| 2021-2026 | Cadillac | Escalade ESV | Sport |
| 2021-2025 | Cadillac | Escalade ESV | Sport Platinum |
| 2023-2026 | Cadillac | Escalade ESV | V |
| 2019-2021 | Chevrolet | Silverado 1500 | Custom |
| 2019-2026 | Chevrolet | Silverado 1500 | Custom Trail Boss |
| 2019-2026 | Chevrolet | Silverado 1500 | High Country |
| 2019-2026 | Chevrolet | Silverado 1500 | LT |
| 2019-2026 | Chevrolet | Silverado 1500 | LT Trail Boss |
| 2019-2026 | Chevrolet | Silverado 1500 | LTZ |
| 2023-2026 | Chevrolet | Silverado 1500 | PPV |
| 2019-2026 | Chevrolet | Silverado 1500 | RST |
| 2019-2021 | Chevrolet | Silverado 1500 | SSV |
| 2019-2026 | Chevrolet | Silverado 1500 | WT |
| 2022-2026 | Chevrolet | Silverado 1500 | ZR2 |
| 2022 | Chevrolet | Silverado 1500 LTD | Custom Trail Boss |
| 2022 | Chevrolet | Silverado 1500 LTD | High Country |
| 2022 | Chevrolet | Silverado 1500 LTD | LT |
| 2022 | Chevrolet | Silverado 1500 LTD | LT Trail Boss |
| 2022 | Chevrolet | Silverado 1500 LTD | LTZ |
| 2022 | Chevrolet | Silverado 1500 LTD | RST |
| 2022 | Chevrolet | Silverado 1500 LTD | SSV |
| 2022 | Chevrolet | Silverado 1500 LTD | WT |
| 2021-2024 | Chevrolet | Suburban | Commercial |
| 2021-2026 | Chevrolet | Suburban | High Country |
| 2021-2026 | Chevrolet | Suburban | LS |
| 2021-2026 | Chevrolet | Suburban | LT |
| 2021-2026 | Chevrolet | Suburban | Premier |
| 2021-2026 | Chevrolet | Suburban | RST |
| 2021-2026 | Chevrolet | Suburban | Z71 |
| 2022-2026 | Chevrolet | Tahoe | Commercial |
| 2021-2026 | Chevrolet | Tahoe | High Country |
| 2021-2026 | Chevrolet | Tahoe | LS |
| 2021-2026 | Chevrolet | Tahoe | LT |
| 2021-2026 | Chevrolet | Tahoe | PPV |
| 2021-2026 | Chevrolet | Tahoe | Premier |
| 2021-2026 | Chevrolet | Tahoe | RST |
| 2021-2026 | Chevrolet | Tahoe | SSV |
| 2021-2026 | Chevrolet | Tahoe | Z71 |
| 2019-2026 | GMC | Sierra 1500 | AT4 |
| 2022-2026 | GMC | Sierra 1500 | AT4X |
| 2019-2021 | GMC | Sierra 1500 | Base |
| 2019-2026 | GMC | Sierra 1500 | Denali |
| 2022-2026 | GMC | Sierra 1500 | Denali Ultimate |
| 2019-2026 | GMC | Sierra 1500 | Elevation |
| 2022-2026 | GMC | Sierra 1500 | Pro |
| 2019-2026 | GMC | Sierra 1500 | SLE |
| 2019-2026 | GMC | Sierra 1500 | SLT |
| 2022 | GMC | Sierra 1500 Limited | AT4 |
| 2022 | GMC | Sierra 1500 Limited | Denali |
| 2022 | GMC | Sierra 1500 Limited | Elevation |
| 2022 | GMC | Sierra 1500 Limited | Pro |
| 2022 | GMC | Sierra 1500 Limited | SLE |
| 2022 | GMC | Sierra 1500 Limited | SLT |
| 2021-2026 | GMC | Yukon | AT4 |
| 2025-2026 | GMC | Yukon | AT4 Ultimate |
| 2021-2026 | GMC | Yukon | Denali |
| 2023-2026 | GMC | Yukon | Denali Ultimate |
| 2025-2026 | GMC | Yukon | Elevation |
| 2021-2024 | GMC | Yukon | SLE |
| 2021-2024 | GMC | Yukon | SLT |
| 2021-2026 | GMC | Yukon XL | AT4 |
| 2025-2026 | GMC | Yukon XL | AT4 Ultimate |
| 2021-2026 | GMC | Yukon XL | Denali |
| 2023-2026 | GMC | Yukon XL | Denali Ultimate |
| 2025-2026 | GMC | Yukon XL | Elevation |
| 2021-2024 | GMC | Yukon XL | SLE |
| 2021-2024 | GMC | Yukon XL | SLT |
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
4.4 ★★★★★
Based on 18 reviews
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Product Reviews
★★★★★ 5
Great Product
Size: 90 Count (Pack of 1)
Life Extension’s Neuro-Mag Magnesium L-Threonate is a standout supplement designed to support cognitive health, and after trying it for several months, I can see why it’s so highly regarded. This product contains magnesium L-threonate, a unique form of magnesium that’s specifically formulated to cross the blood-brain barrier, making it highly effective for brain health. Each serving (three vegetarian capsules or one scoop of the tropical punch powder) delivers 2,000 mg of magnesium L-threonate, providing 144 mg of elemental magnesium. Here’s my take on its performance, benefits, and overall experience.
Pros:
• Cognitive Support: I noticed improved mental clarity and focus after about two weeks of consistent use. Tasks that require working memory, like recalling details or multitasking, felt smoother and less taxing. This aligns with research indicating magnesium L-threonate’s ability to enhance synaptic density and cognitive function, particularly in aging individuals.
• Sleep Benefits: While not marketed primarily for sleep, I found that taking it about an hour before bed helped me fall asleep faster and wake up feeling refreshed. This echoes user experiences shared on platforms like X, where some reported better sleep quality and daytime alertness.
• High Absorption: Unlike other magnesium forms like oxide or citrate, which are better for whole-body benefits, magnesium L-threonate is designed for brain absorption. Studies cited by Life Extension show it can boost magnesium levels in cerebrospinal fluid by 15% in animal models, which likely contributes to its cognitive effects.
• Clean Formula: The capsules are gluten-free, non-GMO, and vegetarian, with no major allergens or unnecessary fillers. The powder version has a pleasant tropical punch flavor, making it easy to mix with water or juice.
• Trusted Brand: Life Extension’s rigorous testing for purity and potency gives confidence in the product’s quality. Their transparency, including offering Certificates of Analysis, is reassuring.
Cons:
• Price Point: Neuro-Mag is pricier than standard magnesium supplements, which might be a drawback for budget-conscious buyers. However, the specialized form and targeted benefits justify the cost for those prioritizing brain health.
• Time to Notice Effects: While some users report benefits in as little as six weeks, full effects may take up to 12 weeks, requiring patience.
Final Verdict: Life Extension’s Neuro-Mag Magnesium L-Threonate is a high-quality supplement that delivers on its promise of supporting cognitive health. Its ability to enhance memory, focus, and even sleep quality makes it a worthwhile investment for those prioritizing brain function. Great benefits and clean formulation make it a top choice!
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on June 16, 2025
★★★★★ 5
Effective results
Size: 90 Count (Pack of 1)
This is the only supplement I take where I actually feel its effects. It helps regulate my sleep, helps brain function and anxiety, just makes me feel better overall! And it’s not rough on the stomach at all. Highly recommend!
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 19, 2026
★★★★★ 4
Noticeable Support for Calm and Clarity
Size: 90 Count (Pack of 1), Size: 90 Count (Pack of 1)
This magnesium L‑threonate supplement has been a great addition to my daily routine. The capsules are easy to take, gentle on my stomach, and I’ve noticed a clearer, more focused feeling throughout the day. It also brings a nice sense of calm in the evenings without making me groggy. The formula feels clean and well made, and it fits effortlessly into a wellness routine. If you’re looking for a reliable magnesium option that supports relaxation and mental clarity, this one is a solid choice.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on January 29, 2026
★★★★★ 5
Highly recommend for sleep, mood, mental health
Size: 90 Count (Pack of 1)
I recently re-discovered this supplement, and I'm buying extras left and right and recommending to everyone I talk to. I've been working on increasing my HRV and supporting my nervous system, and the L-threonate is a rockstar for that. I was taking glycinate for a few months, and I found an old bottle of this one and added just 2 capsules, and the effect on my sleep was immediate. Way better than melatonin. My Fitbit is tracking much lower restlessness and more deep sleep, and I actually wake up feeling refreshed ?? and before my alarm, even! I'm noticing lower anxiety and an overall better mood, and it's only been 4 days. This bottle definitely holds its value, and the price is good, especially if I can get these benefits with just the 2 caps and not 3.
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Reviewed in the United States on April 1, 2026
★★★★★ 5
Big winner for helping BETTER SLEEP
Size: 90 Count (Pack of 1)
Life Extension is top of the line on most things they have. also pricier than most, but I buy three items for them regularly for many years. This Neuro-Mag with L-Threonate is excellent for boosting better sleep. This is a newer addition to their line. I also suggest trying their Mult-B complex and their B-12 elite (sublingual) On nearly all items, their quality control is near THE TOP of all suppliers. They also have supported vitamin and supplement research on my items over the last 40 years
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 29, 2026