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COBB TUNING MAF BLOCK OFF PLATE KIT INSTALL INSTRUCTIONS
2008-2014 WRX, 2011+ STi (Sedan)
2008-2015 STi (Hatch)
2010-2013 Legacy GT
2009-2010 2.5 GT
2009-2013 Forester XT
Remember! You MUST be properly tuned for speed density or a blow through configuration after installing the MAF Block Off Plate!