mk4 rs turbo cab
1.8 zetec bottom end
standard head +piper cam
technics stage 3 t3
chip
intercooler
scorpion ex
filter
mfi

240bhp@16psi@fly

iya peeps, took my dumpvalve off an have little chatter on boost,how can i get it to chatter off boost?or chatter louder on boost? im guessin i need a management conversion,what would be my best option? iv read alot of topics but 2 much to take in lol, possible 2 grand budget cheeRs!