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 EngineHonda CR500 Main Bearing CR500 8 ball main bearing. HondaIntake 1987-89 TRX250R Stainless Steel Intake For 1987-89 TRX250R only. EngineHonda TRX250R Water Pump Mechanical Seal Water pump mechanical seal. ExhaustHonda TRX250R Big Bore Pipe 350D LED 350D exhaust. For use with motor sizes of 330-390 For cross country, MX and trail riding applications. Price is for the pipe only.