Large injectors for PSA EP6CD N14 & N18 engines
 
The stock injectors for the N18 engines have a limit of approx. 290hp and will run the engine lean above this. 
 
 For higher power levels using big turbo kits upgrading to these bigger injectors is a necessary unless you use a meth injection which also has limitations of stretching any known fuel limit by a maximum of 10%
 
The stock HPFP (High pressure fuel pump) is capable of running fuel pressure to 9bar
 
These large injectors are capable of delivering enough fuel for approx 500-600hp. 
 
ECU remapping is required so to rescale the injectors. As a guide only approx 21% duty is required for 350hp
 
Fits
PEUGEOT 208 GTi (ALL MODELS)
PEUGEOT 308 GTi II
CITTROEN DS3 PERFORMANCE
CITROEN DS3 RACING