DT1 has quickly become the filter of choice by many professional teams in all types of motorsports. Including the likes of James Stewart and many ...

New pre-filters made by Outerwears for the DT1 Large Scale R/C Filters.When DT1 teamed up with TGN to bring an exclusive line of foam filters to t...

Outerwears brand pre-filter. 3" diameter, 2.5" height. Elastic-cinch base for a secure fit. A must-have for operating in dirty or dusty conditions...

Foam "Uni" filter with rubber top. 3" height. Spring-loaded inner body allows filter to be compressed and springs back. Optional velocity stack an...

Outerwears brand drawstring pre-filter for HPI Baja 5B/5T stock air filter. This prefilter will fit your stock air filter only. A must-have for op...