Twin Air Powerflow Kit KTM 250 4-Stroke 04-06

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 PowerFlow Kit for 4-stroke models: Replace your air-restricting stock backfire screen, with Twin Air's 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.