It’s suitable for cars and delivery vans with petrol, diesel from 1.000 cc on that utilise rubber pipes for the system of the adduction of the fuel. 

Installation in petrol engines: between the fuel pump and the carburettor or the injection system.

Installation in diesel engines:  between the fuel pump and the the diesel filter in the models with pump, after the diesel filter in the models with the injectors pump.
 
Dimensions:  mm Ø 42 x 168 rubber connection 8 mm.
 
N.B. The Super Catalyzer has no sense of installation.