ok i have a standard erst now tell me if im wrong but are you ment to feel the boost a little bit or not?it only does 110mph,the other day the exhaust at the turbo downpipe was loose so it was blowing when i tightend this up you could feel the boost alot better,also the noise of the dumpvalve was louder(i know i should take this of but doesnt run any better at the moment)i dont know if its my turbo thats fucked coz i cant see any smoke please help ps sorry about the spelling