Product information:    

This is a billet aluminum Blow off valve with single brass copper piston. designed by our HPVA team.

The response of the BOV is fully adjustable.

This BOV is designed to release as much  Pressure as possible from one single blow. Not only it makes a sharp clear sound, It will also protects your turbo from Surge pressure. It is highly recommended to have if you are running over 10PSI of boost. 

All of our HPVA products are covered with 12 month exchange warranty.