2015 Audi RS4 4.2L V8 Gas 2015 Audi RS5 4.2L V8 Gas 2014 Audi RS4 4.2L V8 Gas 2014 Audi RS5 4.2L V8 Gas 2013 Audi A4 4.2L V8 Gas 2013 Audi A5 4.2L V8 Gas

33-2170 is a flat-type high-flow air filter, compatible with various Toyota models. It can be cleaned and reused. It offers both high flow rate and efficient filtration, serving as a durable upgrade solution for the original paper filters. It is suitable for car owners who value performance and long-term economy.

33-3031 is a flat-type high-flow air filter, compatible with various Audi models. It can be cleaned and reused. It features both high flow rate and efficient filtration, serving as a high-performance alternative to the original paper filter. It is suitable for car owners who seek power enhancement and long-term economy.