This is a Power Pipe for your supercharged 1986-1993 Mustang 5.0. This pipe is designed to fit the following applications: Vortech S,T,YSI Trims, Paxton Novi 2000 and Powerdyne Superchargers. The Power Pipe was designed to increase CFM in the inlet tube on supercharged applications to produce more boost without having to spin the supercharger at a higher RPM. Most gains in PSI range from 1-3 pounds on most applications. These pipes are precision bent for a perfect fit.