Traxxas 4060 Complete Air Filter with Foam Insert and Rubber Base Air filter (complete with rubber base & foam insert) For TRX PRO.15 engine Replaces worn or damaged parts 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 Nitro Stampede; consult your user's manual for exact parts listings