ok heres the deal i have a JRSC on my 97 GSR and u can def hear the whine of it but for some reason my brother just got one installed on his 99 SI and u can barely even hear it. Is there something wrong???? im not sure but mine on my integra u can def hear my blower on my integra but u cant hear it on my brothers SI

IS this a prob?????? please help me out thanks