At DMG Motorsports, we present the Hiflofiltro HFA4611 (551-4611) Air Filter — a precision-built, direct-fit replacement air filter engineered for the Yamaha YZF600R Thundercat. Built with Hiflofiltro's top quality powerflow filtering media, this filter is designed to slot straight into the factory airbox with no modifications required, restoring clean, efficient airflow to your engine while protecting it from dirt and debris. Whether you're refreshing routine maintenance or replacing a worn-out OEM filter, this Hiflofiltro unit delivers OEM-level performance at a smart price point, backed by a brand trusted worldwide for aftermarket motorcycle filtration.

Features:

• Direct OE replacement: Hiflofiltro air filters are manufactured to fit factory air boxes and are a direct replacement for original equipment filters, with each filter containing top quality powerflow filtering media developed for modern high performance engines
• Precision fitment: Precision engineered to perfectly fit the factory airbox, these filters meet or exceed OEM specifications
• No tuning changes needed: Direct replacement of original equipment filter with no need to change carburetor jets or settings
• Confirmed application: Compatible with Yamaha YZF600 R Thundercat models including R-H,HC (1996), R-J,JC,K,KC,L,LC,M,MC (1997-2000), R-N,NC,P,PC,R,RC (2001-2003), and R-S,SC,T,TC,V,VC,W,WC USA (2004-2007)
• OEM part interchange: Cross-references Yamaha part numbers 4TV-14468-00 and 4WE-14468-00
• World-class construction: Manufactured from world-class materials to achieve optimum performance and engine protection
• Trusted brand quality: Providing unbeatable performance and exceptional value, Hiflofiltro is the best-selling brand of aftermarket filters for motorcycles, scooters, and ATVs worldwide
• Sold individually, each filter ready for straightforward installation into the stock airbox

Fitment