2007-2009 TOYOTA TUNDRA 5.7L 3.5 K3422A - FOR '07-'09 TUNDRA 3.5" ALUM - CAT BACK DUAL K3422A – FOR 2007-2009 TOYOTA TUNDRA 5.7L 3.5″ ALUMINIZED – CAT BACK SPLIT REAR DUAL Instruction Sheet