My mates erst gets some chatter though and his still running mfi
Heres the spec of mine
Stage 2 1600 cvh engine with ported + polished head
Stage 3 Hybrid T3/T4 turbo
-31 Actuator
Ahmed bayjoo fully mapable chipped ecu (currently peeking at 1.5bar and flatting out at 1)
Full Mongoose stainless steel exhaust system from the turbo back with 3" outwardly rolled tailpipe
Bailey dump valve
But a while ago i remember coming back from essex rsoc meet down the m25 it was chattering like a bitch but its never done it since