1999-2004 Chevy Silverado 2500 K&N Intake Kit for V8 5.3L1APAI00002
This part replaces:
- K&N Filters 57-3021-1
- K & N 57-3021-1
Add good looks, fuel economy and performance all into one and you get this great K&N intake filter system. This kit takes a high flow air filter and adds it to a low restriction intake tube to give your vehicle the kick it needs. On average, these kits add approx 15-20 HP @ 4500 RPM (application may vary). A dirty air filter restricts clean air from entering your engine causing it not to perform properly and lose gas mileage. Stop throwing your money away along with your old one time use air filter. This K&N air filter is washable and reusable. You get the benefits of cash savings over time and in most cases a horsepower increase with better fuel mileage just by adding one of these filters.
- Conical Style Filter
- Direct replacement
- Simple installation
- Eliminates large air box for a clean look
- Attaches to factory locations and does not interfere with emissions controls
How does a K&N Cold Air Intake improve Gas Mileage?
- First, a scientific fact, cooler air contains more oxygen. Your engine combines fuel and oxygen to burn. The more oxygen your engine receives the more power it will make with the same amount of fuel. In the case of improving fuel economy the K&N Cold Air Intake feeds cooler more oxygen rich air to mix with the fuel so the engine makes the same amount of power with less fuel.
- Second, this intake reduces the amount of work your engine has to do to get air in to the combustion chamber. Think of trying to breath through a drinking straw versus breathing through a diving snorkel. You have to work hard to get enough air to your lungs with the drinking straw. On the other hand the diving snorkel is large enough to allow you to breathe at a comfortable rate. OE intake systems are more like the drinking straw, they have accordian sections that interrupt air flow and usually have more restrictions. The intake tube in the K&N system allows smooth and free breathing so your engine can send power to the transmission rather than being starved for air.
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Part #: 1APAI00002
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Brand #: 57-3021-1