Home / Honda / ATC250R / Intake / Uni Foam Filter Uni Foam Filter$49.95 Uni foam filter. Uni Foam Filter quantity Add to cart Categories: Honda, ATC250R, Intake, TRX250R, Intake Description Description Uni foam filter. Related products ATC250RHonda ATC250R Stainless Steel Intake For ATC250R only. ATC250RHonda TRX250R Transmission Shift Fork Kit For 86-89 TRX250R and 85-86 ATC 250R. Complete shift fork set. HondaTransmission & Clutch Standard Hinson Clutch Basket for TRX250R Basket and cushions. 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.