i think the dB reading on stick is in the low 70's at idle and around 83 or 84 in the cockpit while accelerating theres a review on the invidia gemini with HFC on youtube by a forum member and he gets readings on stock CBE, Invidia, and Invidia with HFC
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2011 WRX STICobb Accessport, Nameless Performance exhaust, COBB SF Intake, COBB downpipe, 20% tint, Work Emotion XD9's
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