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hi erik, heres how to increase the noise

1) air filter and full exhaust- blitz filter is good, any full 3" exhaust is fine

2)front mount intercooler and some boost

youll be suprised how loud the HKS bov can get, the more boost/airflow, the louder and more "sequential" it will get. Mine doesnt really whistle anymore but has a loud sequential sound to it

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i don't think the fact that whether if it's new or not will affect how loud it is, if it's the exact same model BOV you're comparing....unless your 2nd-hand SSQV is stuffed....faulty spring etc etc....

also depends how much boost you run, and if you have a FMIC(which i have btw)...dunno how much difference will it make in regards to the mounting position though, mine's mounted where the stock one use to be....

if you want just the loudest ones around, get the BLITZ DD...it can get really loud....as well as the higher end GFB ones....

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dun know why it's so expensive here....i bought it in singapore for $340aud....i can imagine it would be even cheaper in m'sia:D

oh...just a note, the spring in the SSQV,unlike other brand BOVs doesn't alter the pressure of the smaller valve, it only alters the pressure of the bigger valve within.

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