The hissing sound is completely normal for a 370Z with a modified exhaust.
No idea why the traction control light is on.
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~Rob 
-DD Air Guide, Stillen G3 CAIs, 63mm Throttle Bodies, Motordyne M370, Berk HFCs, FI TDX CBE (non-res, CF), Sprint booster v3, Ecutek Dyno Tuned, and the list goes on...
Last edited by Spartan 1771; 06-19-2020 at 07:21 PM.
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