After about 2 days of driving your ecu will adjust to the new parameters(more air). You may notice an increase in hp and tq but not the 15-20hp as some companies advertise to get your money. It's in addition to adding better gas and a less restrictive exhaust that you get decent gains for your mods.
The 2014 Toyota Tacoma has an inline 4 engine.
The 2006 Toyota Tacoma has an inline 4 engine.
The 2012 Toyota Tacoma has an inline 4 engine.
The 2009 Toyota Tacoma has an inline 4 engine.
The 2008 Toyota Tacoma has an inline 4 engine.
The 2005 Toyota Tacoma has an inline 4 engine.
The 2010 Toyota Tacoma has an inline 4 engine.
The 2004 Toyota Tacoma has an inline 4 engine.
The 2013 Toyota Tacoma has an inline 4 engine.
The 2011 Toyota Tacoma has an inline 4 engine.
The 2007 Toyota Tacoma has an inline 4 engine.
The 2001 Toyota Tacoma has an inline 4 engine.