Tial 50mm BOV

Tial 50mm Blow Off Valve Sound Clip

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Tial BOV
-8lb spring on 2012 Optima SX

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

Tial Q 50mm Blow off valve
tial bov

Tial QR flutter
Bov flutter really bad on Tial QR. 2006 Mitsubishi evolution IX MR