Product Description
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K&N air intake systems are engineered for increased performance,
outstanding durability, and sleek aesthetics—and are available in
an assortment of finishes and powder coatings. K&N’s
state-of-the-art High-Flow Air Filter helps to shield your engine
from contaminants, while a meticulously engineered aerodynamic
tube design contributes to a guaranteed increase in horsepower
and torque. K&N air intake systems are designed to improve
acceleration, towing, and throttle response while providing world
class protection for your engine. Our intakes are dyno-tested and
provide more airflow compared to OEM intake systems. K&N intakes
are easy to install and maintain with air filter cleaning
required only every 100,000 miles. Replacement Air Filter:
RU-5046
Vehicle Fitment: 1999-2004 CHEVROLET Silverado 1500; 1999-2004
GMC Sierra 1500; 2002 CHEVROLET Silverado 2500; 2002 CHEVROLET
Silverado 3500
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Designed to provide increased horsepower, the K&N 77-3021KP
Performance Air Intake Kit is a quick solution for truck and SUV
owners who are looking for both an increase in reliable power and
stylish design. Street legal in most states, easy to install and
built around K&N's High-Flow technology, which utilizes a special
oversized and washable cotton gauze air filter and a polished
aluminum intake, the 77-3021KP drives a massive a of air
into an engine, which translates into power affordable on most
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Affordable, street legal horsepower upgrade.
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Measurable improved performance.
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Quick and easy installation.
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High-Flow Technology Works
How does the K&N 77-3021KP increase horsepower? By eliminating
airflow obstruction in your engine. Restriction of air flow
between an air filter and an engine robs even the most powerful
engine of horsepower. K&N air intake kits virtually eliminate air
path restriction by replacing the standard air filter and the
entire air path to the engine. The aerodynamically engineered
conduit that makes up the 77-3021KP drives a massive a of
air into an engine, which translates into power. This conduit
begins with an oversized conical high-flow air filter. This
larger filter can fit into the engine compartment using factory
holes and ing points because the K&N 77-3021KP replaces your
stock intake tube, and air box. This provides more airflow at
lower restriction than a standard filter, limited by the size of
the factory air box. The oversize air filter also captures and
holds more dirt, increasing the service life before a cleaning is
required (up to 100,000 miles), and is isolated from high engine
temperature by a heat shield designed to lower the temperature of
the air entering the engine, which increases horsepower. The
filter attaches to a mandrel-bent polished aluminum tube
induction system designed for trucks and sport utility vehicles
(SUVs).
Street Legal
Many K&N Intake Systems are street legal in all 50 states and
include a California Air Resource Board (CARB) Executive Order
(EO) number that ensures the kit has been tested to comply with
emissions standards. EO numbers apply to the kit as well as the
year, make and model it is being installed on. Systems with no EO
number are street legal in most states but may not be used on
emissions controlled vehicles in the state of California or other
states adopting California emission standards. Use K&N's search
by part to see which cold air intakes are CARB exempt for which
vehicles.
Key Features:
* Guaranteed to provide increased horsepower and acceleration
(8.22 hp @ 5,067 rpm measured by manufacturer).
* Engineered to specific vehicle design. See vehicle search above
for compatibility.
* Easy to install and lasts up to 100,000 miles before service is
required, depending on driving conditions.
* Street legal in most states (check part number or vehicle
listing for specific CARB status).
* Air filter is washable and reusable for extreme durability, but
can also be easily replaced if necessary.
* Works with original manufacturer computer systems.
* Replaces OEM filter and air box, and is designed to use factory
holes and ing points whenever possible.
* Million mile limited warranty.
What's in the Box
1-K&N 77-3021KP Performance Air Intake Kit (includes air intake
tube, washable air filter, heat shields, hoses, hose clamps,
hardware and detailed instructions necessary for installation).
Limited Warranty
K&N O/E replacement air filters and air intake systems purchased
from authorized dealers are backed by a million mile limited
warranty from the manufacturer when used primarily on paved roads
and on vehicles for which they were designed. If one of these
products ever fails to provide complete satisfaction, K&N will
replace it at their discretion.
About K&N Engineering
K&N Engineering, of Riverside, California, is the inventor and
leading innovator of reusable cotton gauze filter technology for
automotive applications. From humble beginnings as a family run
business over 35 years ago, K&N Engineering, now a truly global
company with offices in the UK and the Netherlands, continues to
exist as a family owned business with an enthusiast mindset and a
direct connection with motor sports that carries over throughout
all levels of management and manufacturing.
- GUARANTEED INCREASE IN HORSEPOWER & TORQUE: K&N cold air intake systems provide a less restrictive path for airflow, increasing the volume of cool, oxygen-rich air into your engine an estimated increase up to 8HP and up to 9 ft.lbs. of Torque.
- HEAR THE GROWL: K&N’s intake systems allow your engine to breathe and sound as it should- your engine will growl on acceleration and return to quiet once at speed.
- DYNO TESTING YOU CAN TRUST: K&N air intake horsepower/torque testing is performed on wheel-based dynamometers and the reports are include with each intake system.
- BETTER TOWING: Air intake kit improves acceleration and uphill performance when towing by improving throttle response and overall horsepower and torque.
- FEATURING K&N’s SIGNATURE, REUSABLE AIR FILTER: Combines 4 layers of pleated, breathable cotton with K&N’s red filter oil to absorb dirt and dust particles, allowing clean air to continue flowing into your engine, only needs cleaning every 100,000 miles under normal highway driving conditions.
- DURABLE ALUMINUM INTAKE TUBE & CUSTOM HEAT SHIELD: For a more custom look under the hood, a mandrel-bent and mirror finish aluminum intake tube helps increase the volume of airflow to your engine, while the heat shield helps protect intake air from the high temperature of your engine bay.
- PREMIUM ENGINE PROTECTION FROM A TRUSTED BRAND: K&N air intake will not void manufacturer vehicle warranty & No-Hassle Lifetime Limited Warranty protects for the life of your vehicle.
- EASY TO INSTALL: Includes detailed, step-by-step instructions & all necessary parts- the entire air intake system can typically be installed in less than 60 minutes with basic hand tools.
- MADE IN THE USA: Proudly made in the USA for trusted quality & reliability and backed by US based customer support.