As the tittle says... Haha had new exhaust flexy and downpipe fitted as mIne was knacked and Blowing but now it's quieter I can hear this weird noise from the turbo in 1st and 2nd under full power no faults stored, boosts lower now the exhausts fixed for some reason that normal? Checked no clear signs of a boost leak. Engine agu, ko3s turbo, Thanks in advance Danny