K&N air intake systems come with a 10-Year/Million Mile Limited Warranty | Engineered for 2018 Jeep Wrangler JL 3.6L V6 models, the 63-1576 K&N® performance air intake system offers a guaranteed increase in horsepower and torque for Jeep Wranglers—and features a washable, reusable High-Flow Air Filter™ to help protect against damaging engine contaminants. In addition, the enclosed air box is designed to provide additional protection during challenging off-road adventures—and can help protect your filter during water crossings. The 2018 Jeep Wrangler JL has been fully redesigned—and it shows. With nearly unbeatable off-road capability for its class and advanced tech features, the new Wrangler is engineered to help you tackle your adventures off the beaten path with ease. K&N PERFORMANCE AIR INTAKE SYSTEMS BOOST HORSEPOWERIf you want to give your Wrangler a little extra “oomph”, check out the 63-1576 performance air intake system—specifically designed to fit in the engine bay of 2018 Wrangler JLs. The 63-1576 is designed to keep engine air cooler (which can increase engine combustion efficiency), and provides a smooth, low-restriction path for airflow to the engine. Many stock intake systems have airflow-obstructing components that can create turbulence—and thus heat—resulting in less efficient combustion, and giving you less horsepower. By replacing the complete factory system with an aerodynamic tube and High-Flow Air Filter™, your engine will have access to a higher volume of cool air—giving you a guaranteed increase in horsepower and torque. AERODYNAMIC INTAKE TUBE INCREASES AIRFLOWTypical factory air intake systems force air through a restrictive disposable paper air filter before the air travels through a complex system of tubing—which often has tight bends, baffles, and other elements that can cause swirling, turbulent air. Excess turbulence can cause the molecules within the air to collide, which creates heat—and an increase in temperature reduces the density of oxygen molecules in the air. Since engine combustion is most efficient in an oxygen-rich environment, keeping engine air cooler often significantly increases engine combustion efficiency. 
The 63-1576 for the 2018 Jeep Wrangler JL features a High-Flow Air Filter™ | The 63-1576 intake system features a free-flowing, high-density polyethylene intake tube, which is engineered to reduce turbulence in the air, keeping engine air cooler—and increasing engine performance! An incorporated radius adapter allows the filter to mount directly to the intake tube, which reduces hardware and helps increase ease of installation.HIGH-FLOW AIR FILTER™ OFFERS EXCEPTIONAL PROTECTIONMost factory disposable paper filters only “surface load” contaminants—collecting them on the surface of the media, which over time can reduce the filter’s efficiency due to clogging. Alternatively, High-Flow Air Filters™ “depth load” contaminants; multiple layers of cotton fibers capture particles on many levels. Because the contaminants are incorporated into the filter fibers, the filter can still operate without significantly reducing its efficiency. Additionally, the layered, pleated design of the filter media increases the surface area of the filter—providing significantly more contaminant capture per square inch of media over a standard paper filter. The High-Flow Air Filter™ included in the 63-1576 intake kit is oversized (625 square inches of media) with a conical shape, providing a greater surface area and allowing for a service interval of up to 100,000 miles between cleanings (under normal highway driving conditions). High-Flow Air Filters™ feature an oiled, layered design—providing up to 50% more airflow over a disposable filter. When your filter does need to be cleaned, you can use the K&N Recharger® Kit (99-5000 or 99-5050) to quickly and easily restore your filter’s performance. Each K&N intake (and filter!) is designed to last for the life of your vehicle. AIR BOX HELPS PROTECT INTAKE AIR AND FILTERThe 63-1576 features a high-density rotationally-molded polyethylene air box, which helps protect the air filter and intake air from high engine temperatures and directs airflow into the throttle body. The enclosed air box design helps create a barrier against dust, dirt, and moisture—all of which can be present in rigorous off-road environments—and is designed to provide additional filter protection during water crossings. INSTALLATION 
The 63-1576 air intake system after installation | The K&N 63-1576 intake system is engineered to incorporate factory mounting points and the factory mass air sensor. Installation can typically be completed in 90 minutes or less, and requires only simple hand tools. Detailed instructions are included in your kit, and installation videos for many vehicles are available on the K&N website.Engineered to fit: 2018 Jeep Wrangler JL 3.6L V6 Fuel Injection All Models WARRANTYEach intake system comes with a 10-Year/Million Mile Limited Warranty. Furthermore, using a K&N replacement air intake system will not void your factory warranty; in the U.S., manufacturers must provide evidence that an aftermarket part is the cause of a necessary repair in order to void or deny warranty coverage. The Consumer Products Warranty Act of 1975 (also known as the Magnuson-Moss Warranty Act) protects consumers’ rights to their warranty coverage. 
The 2018 Jeep Wrangler JL is engineered for excellent off-road performance | DYNAMOMETER RESULTSK&N performance air intake systems come with a horsepower guarantee—you will get an increase in horsepower and torque! During dynamometer testing, a 2018 Jeep Wrangler JL 3.6L V6 with a factory air intake system was recorded at 178.3-horsepower at 4630 RPM. After installation of 63-1576, the same vehicle was recorded at 190.8-horsepower at 4630 RPM—an estimated increase of 12.5-horsepower. The torque also jumped from 201.4 lb.-ft. to 213.7 lb.-ft.—an estimated increase of 12.2 lb.-ft at 4245 RPM, along with an estimated 56% more airflow compared to the stock intake system. Horsepower gains vary among products and applications, but each K&N performance air intake system is designed to increase airflow efficiency for specific vehicles and their engines. Each kit undergoes significant testing to help ensure that the filter and intake tube are engineered to deliver large increases in airflow and horsepower. Please visit individual product pages to view horsepower estimates for your specific vehicle. Visit this page to purchase the 63-1576 air intake system, or visit the application search page to explore air intake system options for your vehicle. Join the millions of customers who trust K&N to help them boost performance and protection in their vehicles!*Some intake systems are not legal for sale or use on any pollution controlled motor vehicle in California or states adopting California emission procedures. See knfilters.com for CARB status on each part for a specific vehicle.
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