Hiflo Air Filter HFF4028 Dual-Stage – strong protection & clean airflow for your Yamaha Grizzly

The Hiflo HFF4028 Dual-Stage foam air filter is a reliable off-road filter with two layers of foam – developed for strong filtration performance and constant air throughput. The Dual-Stage (DS) range from Hiflo uses the same proven quality and performance that Hiflo also uses in its off-road filters. Perfect when you move your Yamaha Grizzly (e.g., Grizzly 350 / 400 / 450) in the terrain or in dust and dirt and value protection and performance.

Whether Yamaha Grizzly 450, Yamaha Grizzly 350 or Big Bear / Kodiak: with the matching filter, everything fits perfectly, the engine receives clean filtered air – and you can rely on stable function.

Advantages & Features

• Dual-Stage foam: two layers for effective filtration
• Performance and protection – ideal for off-road use
• Maximum power & optimal airflow for improved performance
• Washable and reusable – practical
• Replaces OEM/Reference: Twin Air 152611

Important Note on Installation/Cleaning

Attention: DualStage filters must absolutely be oiled before installation and after every cleaning. Only in this way do you achieve the intended filtration performance and optimal protection.

Technical Details

• Manufacturer: Hiflo
• Type: DualStage foam filter (2-layer)
• Part number: HFF4028
• OEM/Comparison number: Twin Air 152611
• Properties: washable, reusable

Compatibility (Vehicles)

Fits many Yamaha ATV/Quad models, such as Yamaha Grizzly 450, Yamaha Grizzly 350, Yamaha Grizzly 400 – but also other variants:

• Yamaha Grizzly 400
• Yamaha Grizzly 350
• Yamaha YFM 400 Big Bear Hunter Exploring
• Yamaha YFM 400 Kodiak Automatic AR
• Yamaha Grizzly 450 Hunter 450
• Yamaha YFM 450 Kodiak Automatic AR Wolverine
• Yamaha YFM 350 Warrior ER Moto 4 FW Big Bear XG XH (2004)
• Yamaha YFM 450 FWAN Grizzly (2006-2010)
• Yamaha YFM 450 FWAD Grizzly (2011-2018)
• Yamaha YFM 350 Wolverine Bruin Hunter Raptor
• Yamaha YFM 350 FWA Grizzly 4WD (2007-2020)