When you click on links to various merchants on this site and make a purchase, this can result in this site earning a commission. Affiliate programs and affiliations include, but are not limited to, the eBay Partner Network.
Yes it is worth it. Every bit of airflow you can get into your motor is going to help. I personally don't have it cause i dont have the cash for someone to do it but if I did it is worthwhile.
The way I see it, if you're gonna do the PI swap, do it right. Get the most you can out of it. Get the heads worked over along with some new springs, throw in a pair of aftermarket cams, and all of a sudden you'll be making a fair amount more power than you would if you went with all stock pi parts.