TwinAir - Backfire Air Filter TA156058FRX K-Type-Radiator Guards and EU models with or

and EU models with or without electric start

Four shell and five EPS liner sizes present increased fit options that help to comfortably fit most head sizes

Gearing ratio refers to the ratio of the rear to front sprockets

Upgrade alloy hook straps for older generation US-10 and 20 packs (standard on post 2012 product)

TwinAir - Backfire Air Filter TA156058FRX K-Type-Radiator Guards and EU models with orThe Backfire filter includes a laminated layer of backire retardant foam, allowing you to replace the air restricting stock backfire screen. This filter fits on your stock cage, after you remove the stock backfire screen. NOTES Triple Stage foam 15mm (60 45 30 Pores Per Inch) This is a Race Only product that is to be used solely for competition. It cannot be used on vehicles that are operated on public streets, roads or highways. Its use is limited to