Ordered a 3" S/S zorst for my DX, Ive got the EGR blanking plate in already. Im sure i read somewhere that i may now over boost even with the CRD. Is that right. Stooooopid search function is doing my head in! Do i need to fit a dawes valve? Am i gunna get error codes now? I got a scan gauge 2 so can clear if they come up. Should i be fitting pyro and boost gauges now, baring in mine the scan gauge shows boost