new sound with fitting induction?

[japedup]

i fitted a hks induction kit yesterday and 2 my joy a new sound has apeared :evil: sit sounds wicked. it comes when i change gear,and it seems like its made the dump valve sound different. what is it can any 1 tell me??????

 

[Fast Guy]

Standard recirc vlave or wastegate chatter?
Does it go fzzzzzzzz,cha, cha ,cha cha or something else that I can't spell? :lol:

 

[Mr GTiR]

turbo chatter 8)

 

[japedup]

i couldnt possibly spell it,but it sounds wicked 8)

 

[Stevo]

defo chatter, i have a Blitz induction kit a big grey one, for a cossie

 

[Matt Evans]

Same happened when I put my Apexi filter on. Its a slight chatter, just before the dump valve sounds.