The best filter in the world can't do its job if there are leaks in the seal of the airbox. That's why Twin Air provides a complete line of products to ensure a leak-proof, fool proof fit.

Twin Air's Powerflow kit comes with a rigid, lightweight, billet aluminum cage that provides a tight seal to the airbox and replaces your flimsy plastic stock cage.

A Twin Air Powerflow Kit includes a pre-oiled Twin Air filter, a special aluminum cage and all necessary mounting hardware.

Twin Air PowerFlow Kit for 4-Stroke models:
Replace your air-restricting stock backfire screen with our New PowerFlow kit. The kit includes a rigid, lightweight, billet aluminum cage with a special backfire-resistant layer of foam laminated to the inside of the filter.

PowerFlow kits are available for many models, and we're constantly adding new ones to fix issues with OEM airboxes.


- Honda CRF 450 X (2019-2019)
- Honda CRF 450 L (2019-2019)

Twin Air Application Guide: Fit my bike: https://twinair.com/applications

Twin Air Powerflow Kit - Honda CRF450L/450X 2019

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26 items left in stock

Please note, some some stock is located in store and others at our nationwide warehouse, please allow 1-2 days for collection in store or send us a message
Stock Item
  • Pwrflow Kit Honda CRF450X/L 19
  • Air Filter Honda CRF 450X/L 19

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