33-2133 is a 33-series original position flat-type high-performance air filter, specially designed for 3.0L V6 gasoline engines of Honda Accord VII, Acura CL, Acura TL and other models from 1998 to 2003. It can be directly installed in the original air filter box without any additional modifications. It is suitable for urban commuting and high-speed driving scenarios, and is compatible with the original ECU and emission system.