is it wise to have both on ???
cos my mate did and he said his car was making funny noises ?!?!?

i too have notices a funny whirring noise when i take my foot off the accelerator while giving it some ?!?!?

a funny whoooosh noise
i know its not the induction kit sucking air, and not the dump valve blowing off ?!??!

any1 got any pointer ???

thanks in adv

 

Have a look at :-

http://www.scoobynet.co.uk/bbs/thread.asp?threadid=86174

Nick.

 

cheers m8