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1998-2013 Subaru Forester XT (EJ20/EJ25 DOHC)
Delta P is short for delta pressure
Expect a much larger performance difference between the stock intercooler and Verticooler in the heat of summer
AMS and Nostrum are so confident in the construction of these units
it's best to go with the most cost-effective solution
Zeitronix ZT-3 Wideband AFR Air Fuel Ratio Meter ams manny 1998-2013 Subaru Forester XT (EJ20/EJ25The Zeitronix Wideband Air Fuel ratio meter and datalogging system is a high quality, stand alone system for use with carbureted and electronic fuel injection engines. The new Zt 3 has the same high quality, high precision air fuel ratio readings as our signature Zt 2 wideband. The Zt 3 supports wideband air fuel ratio and lambda readings, adjustable simulated narrowband output and a new configurable linear wideband output for ease of use with engine