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.
For the PI engines the PI intake is great, the only other aftermarket one is the p-51. That one is about a grand. There isnt any other intake for the 4.6 that performs decent w/out loosing any power at all, just those two.