Hi guys could someone help me i am about to chip up my RS500 to about 330 -360 bhp and i have been told that the wastegate will need to be enlarged because it would start to produce to much boost and the standard wastegate penny is to small to let the gases out, could someone please tell me what size the new enlarged wastegate penny should be,i have been told to get the biggest one that can go inthe T4 but what size is the biggest one any help would be great .......thanks guys