K&N performance High-Flow Air Filters are engineered to improve engine performance by increasing airflow up to 50%. Unlike disposable paper filters which must be frequently replaced, K&N Air Filters are washable, reusable, and engineered to last for the life of your motorcycle, ATV, or Side-By-Side vehicle. K&N air filters are backed by our famous 10-Year/Million Mile Limited Warranty, and they provide an environmentally friendly way to reduce landfill waste by avoiding disposable filters. Engineered to fit easily into your factory air box, installation can be completed in a matter of minutes! K&N develops and tests each product on the world’s toughest race tracks, so we can bring the highest level of performance for your journey. Join the millions of customers who have saved money and improved performance by upgrading to K&N filtration. Fitment Information: 2021-2023 TRIUMPH Trident 660

• SAVES MONEY: K&N high-flow replacement air filters will save you $250 over 10 years by avoiding disposable filters.
• ECO-FRIENDLY: Using a washable, reusable product helps reduce replacement waste. A K&N filter will last longer than 10 disposable filters.

Specifications

Common questions