2010-2014 TOYOTA TUNDRA 3.5 K3424A - FOR '10-'14 TUNDRA 3.5" ALUM - CAT BACK SINGLE K3424A – FOR 2010, 2011, 2012, 2013 & 2014 TOYOTA TUNDRA 5.7L 3.5″ ALUMINIZED – PERFORMANCE CAT BACK SINGLE EXHAUST Instruction Sheet