| i'm debating these two because of their bang-for-buck. any opinions please? z1 ($495) -keep stock (modified) ducts and all of face gets airflow -includes tbolt and hoses, nice extra -many many z's use them and make good power godspeed -unknown core quality -must make own ducting, face doesn't get adequate airflow -cheaper ($340) -tall face -bigger size overall i believe
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