Twin Air PowerFlow Kit for Yamaha YZ450F 2014–2017 – Includes Pre Oiled Filter & Cage – OEM Replacement 33D 14400 00 – Off Road Use – Part# 151917P 100 90 19 This makes the R 300 91129 This makes the R 300 These high performance blades feature bi metal technology that delivers up to five times longer life of standard blades on the market PERFORMANCE BENEFITS: • Maintains factory specified airflow characteristics • Provides reliable engine protection against dirt and debris • Supports original engine operation as designed by Yamaha PACKAGE INCLUDES: • 1 × Twin Air PowerFlow Aluminum Cage • 1 × Twin Air Pre Oiled Dual Stage Foam Air Filter Element Twin Air PowerFlow Kit for Yamaha YZ450F – Part# 151917P COMPLETE POWERFLOW REPLACEMENT KIT This complete Twin Air PowerFlow kit includes the rigid aluminum cage and pre oiled dual stage foam filter