what are your opipions on ported maf sensor ends compared to an aftermarket maf sensor. Is the whole unit worth the extra money, or would you get even performance with the ported ends? I wanted to upgrade before i get the car dynotuned

 

I would keep the MAF 100% stock, until you're pushing 500+fwHP. An unmolested stock MAF has plenty of airflow, and gives the PCM an accurate reading of that airflow.