Billet construction with high temperature o-rings

The Supercharger-Specific PorPort features a softer ((4 In Hg) spring so it can stay open at idle when the supercharger is still producsing boost

It is not only to assist with spring changes

A direct fit replacement for the factory unit

and camber curve back to normal range

BOV Kompact Supersonic Renault Megane RS250 JR9 Billet construction with high temperatureThe Renault Megane RS250 Kompact Supersonic BOV is easy to install and setup. Preferred venting solution for serious street tuners and racers. Designed as a direct bolt on replacement for the factory part, the Megane RS250 BOV is easy to install and requires no special tools or fabrication. Supplied With: Bracket and Fitting Hardware