This is the Ultimate Racing air filter set and is intended for use with the majority of 1:8 Off Road cars you can find on the market. It includes the new dual-stage foam, a high-density foam element and a pre-filter. The high-density foam captures the smallest particles to keep your engine in top condition, yet it allows plenty of airflow so the engine can produce maximum power.
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You should always oil the inner filter element, but if the track is very dry and dusty it is recommend that you also oil the outer pre-filter element. This package includes all the components necessary to build one complete air filter set. Air filter oil not included.