K&N Engine Air Filter for 2014–2017 Harley‑Davidson HD-1614 — Washable High-Flow Cotton Gauze, Pre-Oiled

The K&N HD-1614 is a washable, high-flow engine air filter engineered to increase airflow and support improved throttle response for select 2014–2017 Harley‑Davidson cruisers and touring bikes.

This K&N replacement filter is designed to drop straight into the factory airbox on compatible Harley‑Davidson models and provide long-term filtration performance without frequent replacements. Built with multi-layer cotton gauze media and pre-oiled for immediate installation, the HD-1614 balances protection and airflow so your engine breathes more efficiently while you ride. Backed by K&N’s 10-Year/Million Mile Limited Warranty, this washable filter aims to lower running costs and reduce disposable-filter waste over the life of your motorcycle.

Will this filter fit my Harley‑Davidson model?

The HD-1614 fits a wide range of 2014–2017 Harley‑Davidson Softail, Touring, and select other models when the factory airbox calls for this replacement part. Check the exact model-year and variant against the K&N fitment list to confirm compatibility before purchase. Installation is straightforward and does not require airbox modification on stock setups.

• Compatible with Softail Slim, Heritage Softail Classic, Fat Boy, Softail Classic Fat Boy Lo, and Softail Deluxe
• Fits Touring models including Road King, Electra Glide, Street Glide, Road Glide and Freewheeler variants
• Works with 2014–2017 model years specified by K&N HD-1614 fitment
• Designed for factory airbox—no trimming or adapters typically needed

How does this filter change performance on the road?

The HD-1614 is built to increase airflow through multi-layer cotton media, which can support crisper throttle response and smoother acceleration under many riding conditions. While gains depend on bike condition and exhaust/tuning, riders commonly notice improved intake flow versus stock disposable filters. This filter maintains filtration efficiency to protect the engine from particulates while optimizing air volume.

• High-flow cotton gauze media improves air delivery
• Pre-oiled for immediate use and consistent protection
• Engineered to balance airflow with particle blocking
• Tested on tracks to validate durability and performance

What maintenance does the K&N HD-1614 require?

Unlike single-use paper filters, the HD-1614 is washable and reusable—clean and re-oil it periodically rather than replace it. Frequency depends on riding conditions: dusty environments require more frequent service than primarily paved, clean roads. K&N provides a cleaning and re-oiling kit and clear instructions to restore filter performance without special tools.

• Serviceable: clean, dry, and re-oil instead of replacing
• Typical service intervals vary by environment and mileage
• Use K&N cleaning kit for best results and longevity
• Reduces landfill waste and long-term replacement cost

Why choose this K&N filter over disposable options?

The HD-1614 is designed to last for the life of your vehicle when maintained correctly, which reduces recurring parts purchases and landfill waste. K&N estimates long-term savings versus disposable paper filters and supports that claim with a 10-Year/Million Mile Limited Warranty. For riders seeking a practical performance upgrade that’s easy to install, it’s a cost-effective option.

• 10-Year/Million Mile Limited Warranty for extended use
• Pre-oiled, ready to install—simple, quick upgrade
• Reusable media cuts replacement expenses over time
• Eco-friendlier approach by avoiding disposable filters

Who is this for: The K&N HD-1614 is ideal for Harley‑Davidson owners of compatible 2014–2017 Softail and Touring models who want a durable, serviceable air filter that can improve airflow and lower long-term maintenance costs. It's a good fit for riders who prefer straightforward bolt-in upgrades, want to reduce waste from disposable filters, and may pair the filter with other bolt-on performance parts or ECU tuning for fuller gains. Confirm your bike’s model/year compatibility before ordering to ensure a direct fit.