Home / Honda / ATC250R / Intake / Uni Foam Filter Uni Foam Filter$49.95 Uni foam filter. Uni Foam Filter quantity Add to cart Categories: ATC250R, Honda, Intake, Intake, TRX250R Description Description Uni foam filter. Related products ExhaustHonda TRX250R Small Bore Silencer Round Small Body For use with LED 250C pipe. For engine sizes 250-310. Round muffler small body. EngineHonda TRX250R Top End Gasket Set ExhaustHonda TRX250R Small Bore Silencer Round Big Body For use with LED 250C pipe. For engine sizes 250-310. Round muffler big body. ExhaustHonda TRX250R Big Bore Pipe 350G LED 350G pipe. For use with motor sizes of 330-390 Best for dunes, ice racing, TT, and MX. Price is for the pipe only.