To me it sounds like a resonant type of noise. But it could be something airbox/tb related. If I get the car to say 4-5k rpm in 5th gear and let off, if I open the throttle slightly I can hear the noise.
__________________
-2012 Solid Red NISMO 370Z
-2010 370Z 6MT sport pkg 301 whp 251.4 wtq (Dynojet) SOLD
-K8 Suzuki GSX-R 600
|