Twin Air PowerFlow Air Filter Cage Kit 158385C for Triumph TF250X and TF450 Models

2 – STROKES: 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. 4 – STROKES: 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.

Upgrade the airbox sealing and airflow performance of your compatible Triumph motocross motorcycle with the Twin Air PowerFlow Kit, manufacturer part number 158385C and vendor part number 715-8385C. Designed for select 2024–2026 Triumph TF250X, TF450X, TF450RC, and TF450C models, this kit replaces the original plastic filter cage or restrictive stock backfire screen with a rigid, lightweight billet aluminum cage.

The PowerFlow cage is engineered to provide a secure, leak-resistant fit against the airbox, helping prevent unfiltered air from bypassing the filter. On 4-stroke applications, the kit includes filter foam laminated with a specialized backfire-resistant inner layer to help protect the air filter while supporting improved intake flow. For 2-stroke applications, the reinforced cage helps ensure consistent filter-to-airbox contact and a dependable seal.

Built by Twin Air, a recognized manufacturer of motorcycle air filtration components, the PowerFlow Kit is designed as a direct-fit upgrade for the listed Triumph models. Verify your motorcycle’s year, model, and engine configuration before installation to ensure proper fitment. The kit is supplied for performance-focused riders who need durable airbox sealing and reliable filter support in demanding riding conditions.

Features:

• Brand: Twin Air
• Product: PowerFlow air filter cage kit
• Manufacturer part number: 158385C
• Vendor part number: 715-8385C
• Construction: Rigid, lightweight billet aluminum cage
• Sealing: Designed to provide a tight, leak-resistant fit to the airbox
• 4-stroke design: Includes foam with a backfire-resistant inner layer
• Application: Replaces the restrictive stock backfire screen or flimsy plastic filter cage
• Fitment: 2024 Triumph TF250X; 2025 Triumph TF250X, TF450X, and TF450RC; 2026 Triumph TF250X, TF250C, TF450X, TF450C, and TF450RC

Fitment:
2024 Triumph TF250X
2025 Triumph TF250X
2025 Triumph TF450RC
2025 Triumph TF450X
2026 Triumph TF250C
2026 Triumph TF250X
2026 Triumph TF450C
2026 Triumph TF450RC
2026 Triumph TF450X