K&N High-Flow Engine Air Filter for Harley-Davidson Touring 2017-2019 HD-1717 — Washable, Pre-Oiled Performance Upgrade

The K&N HD-1717 is a washable, high-flow replacement air filter engineered to boost airflow and long-term performance for select 2017–2021 Harley-Davidson Touring motorcycles.

Designed as a direct-fit upgrade for many Road King, Electra Glide, Street Glide, Road Glide and Ultra models, this K&N filter swaps into your factory airbox in minutes. It replaces disposable paper elements with multi-layer cotton media that is pre-oiled, serviceable, and built to endure, helping reduce routine part purchases and landfill waste while maintaining filtration performance.

How will this filter affect my motorcycle’s throttle response and acceleration?

By increasing the volume of air entering the engine, the HD-1717 can help the engine breathe more efficiently under load, which may sharpen throttle response and support smoother acceleration. Any gains depend on your bike’s condition and tuning; pairing with proper fueling adjustments maximizes results.

• High-flow cotton media to increase intake air volume
• Pre-oiled for immediate installation and performance
• Engineered to fit the original factory airbox without modification

What maintenance does a K&N washable filter require and how often?

The HD-1717 is serviceable: when it becomes visibly dirty or after extended use, you clean and re-oil it following K&N’s instructions. Cleaning intervals vary with riding conditions—dusty or off-road use requires more frequent service than mostly highway miles.

• Simple clean-and-reoil procedure with K&N service kits
• Longer service life than disposable paper filters—fewer replacements
• Visible inspection cues guide when to service the element

Will this air filter fit my Harley-Davidson Touring model?

The HD-1717 is manufactured to fit a range of Harley-Davidson Touring bikes from model years 2017–2021, including Road King, Electra Glide, Street Glide, Road Glide, Ultra Limited, Tri Glide and select other touring variants. Check the exact compatibility list for your VIN or model to confirm fitment before purchase.

• Direct-fit for many FLHR, FLHT, FLHX, FLTR, FLTRX and FLHTK variants
• Engineered to match factory airbox dimensions and mounting points
• Designed for plug-and-play installation with no permanent modifications

What warranty and long-term value does this K&N filter provide?

K&N backs this high-flow air filter with a 10-Year/Million Mile Limited Warranty, reflecting confidence in its construction and longevity. Using a reusable element reduces recurring filter purchases and waste, offering long-term cost savings compared with disposable replacements.

• 10-Year/Million Mile Limited Warranty provided by K&N
• Reusable design cuts ongoing replacement costs and landfill waste
• Tested in demanding conditions to validate durability and airflow

Who is this for? The K&N HD-1717 is aimed at riders of compatible Harley-Davidson Touring motorcycles who want a durable, serviceable air filter that fits their stock airbox and seeks improved breathing and long-term savings. It suits owners who prefer low-maintenance upgrades that deliver consistent performance, riders who log high mileage, and anyone looking to reduce disposable-filter waste without altering the bike’s appearance or requiring complex installation.

Note: For best results, consider inspecting fueling and intake systems after installing a high-flow filter and follow K&N cleaning guidelines. Verify exact fitment by model year and variant before ordering.