Traxxas 5262 High-Volume Air Filter and Pre-Filter Foam Inserts for TRX 2.5, 2.5R, and 3.3 (set of 3) Set of 3 foam high-volume air filter and pre-filter inserts Come pre-oiled Fits TRX 2.5, 2.5R, 3.3 Use Traxxas stock and hop-up replacement parts to get the most out of you Traxxas RTR vehicles This product is made from high quality materials and designed for lasting performance This is for use on RC vehicles such as the Traxxas Revo 3.3; consult your user's manual for exact parts listings