These cast Evo III O2 sensor housings are imported from Japan. The inside of the housing is a full 2.5" all the way through, that is a big improvement from the U.S. stock item. Internal volume is 500 cc, about 20% larger than a ported factory housing. Dont forget, these housings are easly ported for additional flow. Improves throttle and turbo response, increases HP.
Mitsubishi EVO 3 O2 Housings from HorsepowerFreaks
mitsubishi evo 3 o2 housings from horsepowerfreaks o2 housings. Install and installation help available for parts and accessories for these model years.
