Tial Q 50mm Blow off valve
sr20det tial 50mm bov with open dump tube.
custom 3 inch Exhaust, tial 50mm bov, emusa 38mm waste gate , t04e turbo, open screamer pipe "dump tube, drove it at about 5psi didnt want to fully Boost it because it still needs a tune. cars pretty silent until u hit Boost
-8lb spring on 2012 Optima SX