K&N 57-1139 Performance Air Intake System:O5 57-1139.
K&. N FIPK air intakes for select Harley-Davidson Touring motorcycle models increase power by eliminating the restrictive stock OE air cleaner and replacing it with aK&N high-flow air filter and cast aluminum intake tube. These intakes come with an die-cast aluminum throttle-body mounting plate and mounting hardware.K&N high-flow intake systems give your Harley an aggressive appearance while providing a significant increase in airflow resulting in more power. Built-in breathers replace external OE breathers. Cast aluminum high-performance intake tube. Designed to improve throttle response and engine sound. Easy to install usually in 90 minutes or less. Guaranteed to increase horsepower. Integrated internal velocity stack. Lasts up to 100 000 miles before service is required (depending on driving conditions). Washable and reusableK&N High-Flow cotton air filter that provides outstanding performance and protection- K&
- N FIPK performance air intake systems increase power by eliminating the restrictive stock OE air cleaner and replacing it with aK&N complete performance intake system.Built-in breathers replace external OE breathers
- Cast aluminum high-performance intake tube
- Designed to improve throttle response and engine sound
- Easy to install usually in 90 minutes or less
- Guaranteed to increase horsepower
- Integrated internal velocity stack
- Lasts up to 100 000 miles before service is required (depending on driving conditions)
- Washable and reusableK&N High-Flow cotton air filter that provides outstanding performance and protection

Air Intake Systems
Welcome to our exclusive collection of Air Intake Systems, designed to enhance your vehicle's performance while providing superior airflow. Our carefully curated selection features high-quality products from leading brands, ensuring you find the perfect fit for your car or truck. With an optimized air intake system, you can experience improved horsepower, torque, and fuel efficiency. Why Choose Our Air Intake Systems? Our Air Intake Systems stand out due to their exceptional design and engineering. Here are some key benefits: Enhanced Performance: Experience noticeable gains in horsepower and throttle response. Improved Fuel Efficiency: Optimize your vehicle's fuel consumption with better airflow. Durable Materials: Crafted from high-quality components, these systems are built to last. Easy Installation: Many of our products come with simple instructions for quick DIY installation. Shop with Confidence When you choose our Air Intake Systems, you're investing in quality and per... View Our Air Intake Systems Products...
Cold Air Intakes
Welcome to our exclusive Cold Air Intakes collection, designed for automotive enthusiasts seeking to enhance their vehicle's performance. Our curated selection features top-of-the-line cold air intakes that promise to improve airflow, boost horsepower, and elevate your driving experience. Whether you’re an off-road adventurer or a street racer, these high-performance components are tailored to meet your needs. Why Choose Our Cold Air Intakes? Enhanced Performance: Experience significant gains in horsepower and torque. Improved Fuel Efficiency: Get more miles per gallon with optimized airflow. Durability: Built with high-quality materials to withstand extreme conditions. Easy Installation: Designed for straightforward installation without the need for professional help. Featured Brands Our collection includes renowned brands that are known for their cutting-edge technology and reliability. Each product is carefully selected to ensure the best fit and performance for your ve... View Our Cold Air Intakes Products...
K&N Engineering
Discover the K&N Engineering Collection The K&N Engineering collection showcases a wide array of high-performance automotive products designed to enhance your vehicle's efficiency and longevity. As a leading manufacturer of air filters, cold air intake systems, and oil filters, K&N Engineering is synonymous with quality and innovation in the automotive industry. With over 12,000 parts available for a variety of vehicles including cars, trucks, SUVs, motorcycles, and ATVs, you can trust K&N to provide solutions tailored to your needs. Why Choose K&N Engineering? For more than 50 years, K&N Engineering has set the standard in automotive filtration technology. Our products are engineered to: Increase performance and horsepower Provide exceptional protection against harmful contaminants Extend the lifespan of your vehicle Whether you are looking for air intake systems, oil filters, cabin air filters, or home air filters, our commit... View Our K&N Engineering Products...