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Lancer EVO III Oxygen Sensor Housing
We get these massive O2 sensor housings from Japan, where they help the Lancer motors make 280 hp. The inside of the housing is a full 2.5" all the way through -- a big improvement from the U.S. item. Internal volume is 500 cc, 20% larger than a ported factory housing. If you want to, you can port it out even larger! (Or save yourself the time and effort, and order it fully ported and polished, below.)
Almost a direct bolt-on for all turbo Eclipse/Talon cars. (The outlet of the housing is at a slight angle. SOME downpipes may need some tweaking -- we bent our AWD Buschur downpipe just a bit to make it fit.)
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