The K&N 69-1503TS air intake includes the K&N RC-5138 air filter | K&N Engineering is well known for its inventory of automobile air intake systems. However, it also has an extensive stock of air intakes for other vehicles including motorcycles, all terrain vehicles (ATVs), diesel trucks, and recreational vehicles. All intakes are engineered and designed to boost horsepower and include washable and reusable air filters that are backed by a K&N 10-Year/Million Mile Limited Warranty that promises they will last for up to 10 years or 1,000,000 miles before replacement is required. The air intake systems include: • K&N 57 Series Fuel Injection Performance Kits • K&N 77 Series High Performance Air Intake Systems • K&N 63 Series Aircharger® High Performance Air Intake Systems • K&N 69 Series Typhoon® Air Intake Systems • K&N Blackhawk Induction™ Air Intake Systems • K&N Recreational Vehicle Air Intakes • K&N 57S Performance Airbox • K&N Apollo CIS® Universal Closed Intake Systems • K&N 57i Performance Induction Kits The K&N 57 Series Fuel Injection Performance Kits features non-metallic rotationally molded intake tubes that are designed to reduce air temperature, decrease sound, and create a more direct path for the airflow to the engine. The helps to reduce restrictions that occur on factory intake systems. The intake tube is aerodynamically engineered to drive a massive amount of air, which results in better performance of the engine. 
RK-3937 motorcycle air intake system adds power and good looks to your bike | The K&N 77 Series high performance air intake is specifically designed for trucks and Sport Utility Vehicles (SUVs) and offers aesthetics not found on other intakes including tubes with gray and polished finishes.
The K&N 63 Series AirCharger® high performance air intakes are designed to replace the factory air filter and air intake system with a less restrictive air path for a smoother, better pathway that ensures more air gets to the engine causing a significant boost in the vehicle’s horsepower. The K&N 69 Series Typhoon® air intakes are designed for performance and show. They include a free-flowing mandrel-bent aluminum tube that is designed to enhance performance on many sport compact vehicles. The system also includes a high flow conical air filter that features more surface area for removing and holding dust particles to ensure better protection of the engine. The K&N Blackhawk Induction™ air intakes are engineered for a select group of gasoline-fueled trucks, diesel trucks, and muscle cars. Guaranteed to boost horsepower and create the engine sound one would expect from a high performance vehicle, the system includes a black powdercoated air intake tube and a washable and reusable non-oiled synthetic air filter for enhanced airflow and engine protection. 
The K&N 63-1128 air intake system for ATVs | The K&N recreational vehicle air intake systems are engineered to boost horsepower on recreational vehicles and motorhomes so they can take on steep hills and get up to speed on freeways.
The K&N 57S performance air box is designed to replace the factory air box and air filter for a dramatic increase in horsepower and acceleration. It includes a washable and reusable oversized conical air filter that can be cleansed and recharged for continuous use for the life of the vehicle. A 10-Year/Million Mile Limited Warranty backs the product and promises that it will last up to 10 years or 1,000,000 miles before replacement is required. The K&N Apollo CIS® Universal Closed Intakes feature a high flow air filter housed in a closed filter box and a specific shape that assists in creating an increased volume of air that results in a dramatic enhancement of horsepower and acceleration. The system reduces heat buildup to ensure cooler air as it diminishes air turbulence and maximizes airflow. The K&N 57i Performance Induction Kits maximizes airflow and engine performance due to a combination of a larger air filter and improved airflow technology. The kit also includes a washable and reusable air filter that can be reused continuously for the life of the vehicle. K&N also offers a wide range of motorcycle and ATV air intake systems including: • AirCharger® Performance Intake Systems for Harley-Davidson® Motorcycles • Street Metal Intake Systems for Harley-Davidson® Motorcycles • RK Series Intake Systems for Harley-Davidson® Motorcycles • RK Series Custom Air Intake Systems for Metric Cruisers • AirCharger® Intake Systems for Side-by-Side UTVs • AirCharger® Air Intake Systems for Sport ATVs The AirCharger® Performance Intake Systems for Harley-Davidson Motorcycles include a washable and reusable oversized K&N high flow air filter, a mandrel bent high-flow aluminum intake tube and an integrated breather system. 
K&N 57-3047 diesel air intake system | The Street Metal™ Intake Systems for Harley-Davidson® Motorcycles is available in an assortment of styles and is designed to replace the stock intake assembly. It includes a custom-built aluminum backing plate, a washable and reusable oversized K&N high flow air filter and a custom designed cover with a bright mirror finish.The RK Series Intake Systems for Harley-Davidson® Motorcycles fits into the stock air cleaner cover and includes a K&N washable and reusable high flow air filter, a custom aluminum backing plate, integrated breather system and a bolt-in, dyno tuned velocity stack. The RK Custom Air Intake System for Metric Cruisers is machined from billet aluminum, polished and chrome plated and features a K&N washable and reusable high flow air filter. AirCharger® Intake Systems for Side-by-Side UTVs is designed to replace the stock air box and mounts directly to the throttle-body. It includes a K&N washable and reusable high flow air filter a mandrel-bent high flow intake tube and an oversized powder-coated aluminum heat shield that blocks hot engine air and weather from getting into the intake. AirCharger® Air Intake Systems for Sport ATVs includes a washable and reusable K&N high flow air filter, a roto molded high flow intake tube and a powder-coated aluminum heat shield that blocks out hot engine air from getting into the intake. It is tough and durable so that it can take the extreme conditions of sport ATV riding. Finally, K&N also offers a wide variety of air intake systems for diesel trucks. The intake includes a K&N air filter with a media made of multiple layers of cotton gauze that has been treated with a special grade of oil that makes the strands sticky so that it can catch and hold contaminants and particles that could damage the engine. 
K&N 77-2570 recreation vehicle air intake system |
The line includes intakes for PowerStroke, Duramax, and Cummins diesel engines. The K&N PowerStroke Air Intakes are designed for 2011 to 2015 6.7-liter diesel engines and offers an estimated average boost of 11.9 horsepower and 22.44 ft-lb of torque. The intakes designed for 2015 diesel trucks powered by 6.6-liter Duramax engines and provides an estimated average boost of 24 horsepower and 29.62 ft-lb of torque. The intake designed for 2013-2015 diesel trucks powered by a Cummins 6.7-liter diesel engine offers an average estimated boost of 14.6 horsepower and 23.86 ft-lb of torque. | 
