Saad Racing BMW E46 M3 S54 Driect port billet nitrous bungs

Saad Racing BMW E46 M3 S54 Driect port billet nitrous bungs. These bungs are a direct drop in on the S54 in the factory vacuum rail. Simply remove the factory spacer tubes and insert each bung in their place. Made for the NX dry nozzle or the NX S.T.D straight through wet nozzle (sold separatly). Comes with 6 billet bungs, 12 viton o-rings, 2 aluminum adapter brackets and mounting hardware.