Fitting an RPM Performance GPF Delete + Flexi + a FORGE Blow Off Valve

H i guys we're back sorry for the long wait, back on Tom i30N again, this thing sounds crazy.
GPF DELETE + FLEXI PIPE:
www.rpmperformances.co.uk/pro...
FORGE BLOW OFF VALVE:
www.forgemotorsport.co.uk/Atm...

[@calebstephens]

do you know what the db reading is with the gpf delete and the flexi?

[@mikaelslabiak8329]

Did you use the original gaskets?

[@elcroato85]

Is there a cat too? Do you need to swap the flexi? Any error codes?