Features: 1.Part Number: According to the original factory specifications, performance engine air filter reference part number is hfa1909. 2.Applicable Model: Motorcycle air filter fit for VTR1000F Super Hawk 1998?2003 and also fit for VTR1000F Firestorm 1997?2005. 3.High Performance: A clogged or dirty air filter can slow down a vehicle's acceleration. Designed to provide increased horsepower and torque. 4.Good Filtering Effect: Pleated media provides a large filtration area offering long service intervals. Multiple layers of media provide excellent filtering. 5.Easy Installation: Direct replacement of old air filters, no complicated tools required, helping extend vehicle engine life. Specification: Item Type: Air Filter_x000D_ Material: Paper, ABS_x000D_ Part Number: hfa1909_x000D_ Fitment: _x000D_ Fit for VTR1000F Super Hawk 1998-2003_x000D_ Fit for VTR1000F Firestorm 1997-2005 PackageList: 1 x_x000D_ _x000D_ Air Filter Note: 1. Please double check the part number of your item, matching information is for reference only._x000D_ 2. If you are unsure of the item, please contact us before buying to avoid unnecessary return, thanks!