1995procharged

Has anyone installed a power pipe kit on there car with a procharged system cause i took my car to the shop and the told me i should think about adding one,for 3 reasons one you gain up to 25 hp , you can gain about 3psi of boost and it looks better then the intake that comes with the procharger kit. I know it looks better but im wondering about the hp and psi gain can anyone help me out with this

vanquish

I usually hear it adds 1-2 psi. I had a powerpipe from the beginning so I have nothing to compare it to.